The United States government has launched a new investigation into Waymo's self-driving cars following repeated reports that the company's autonomous vehicles failed to stop properly for school buses carrying children. The investigation has raised important questions about the safety of driverless cars the reliability of artificial intelligence technology, and the ability of autonomous vehicles to recognize dangerous situations on American roads. The latest federal action comes after reports that Waymo robotaxis continued to pass stopped school buses even after the company introduced a software update intended to correct the problem. School buses are required to stop traffic when their red warning lights are flashing and their stop signs are extended, allowing children to safely enter or leave the vehicle. The investigation is particularly important because self-driving cars are becoming increasingly common in major American cities. Companies are investing billions of dollars in autonomous driving technology, hoping to change the future of transportation. However, repeated school bus safety incidents have created concerns about whether these vehicles are ready to operate safely in complicated real-world traffic conditions. On November 9, 2026, the National Highway Traffic Safety Administration announced a new recall query involving 2,895 Waymo vehicles. Federal regulators want to determine whether the company's previous software repair successfully addressed the problem and why additional incidents were reported after the company said the update had been completed. The investigation could have important consequences for Waymo, the autonomous vehicle industry, transportation safety regulations, and the future of driverless taxis across the United States. What Is Happening With Waymo Self-Driving Cars? Waymo, a leading American autonomous vehicle company owned by Alphabet, Google's parent company, is facing increased federal scrutiny over the behavior of its driverless taxis near stopped school buses. The company operates robotaxis that can transport passengers without a human driver controlling the vehicle. These vehicles use advanced artificial intelligence, cameras, sensors, radar technology, and computer systems to understand their surroundings and make driving decisions. Unlike traditional taxis, Waymo robotaxis are designed to perform driving tasks automatically. They can recognize traffic signals, identify pedestrians, follow road markings, respond to other vehicles, and navigate through busy streets. However, school bus safety incidents have exposed an important challenge for autonomous driving technology. Reports from school districts indicated that some Waymo vehicles passed stopped school buses even when the buses displayed flashing red lights and extended stop arms. These signals are extremely important because they tell approaching drivers that children may be crossing the road or getting on and off the bus. According to federal investigation information reported on November 9, 2026, the National Highway Traffic Safety Administration is examining 2,895 Waymo vehicles equipped with the company's fifth-generation automated driving system. The agency wants to understand whether the software update introduced under an earlier recall was sufficient to prevent the vehicles from violating school bus stopping requirements. The investigation does not mean that every vehicle involved has committed a violation. Instead, regulators are examining the safety performance of the affected vehicle software and the reports associated with it. The latest development represents another important test for the autonomous vehicle industry.
Why Is the US Government Investigating Waymo
The main reason behind the investigation is repeated reports of Waymo vehicles failing to remain stopped when approaching school buses. In the United States, school bus safety laws are designed to protect children during transportation to and from school. When a school bus stops and activates its red warning lights, approaching vehicles generally must stop according to the applicable state traffic laws. The extended stop arm provides an additional warning to drivers. These rules apply to human drivers and are also relevant to vehicles operating through automated driving systems. However, several incidents involving Waymo robotaxis raised questions about whether the company's software could consistently recognize school bus warning signals. The issue first attracted significant attention after video footage showed a Waymo vehicle passing a stopped school bus in Atlanta, Georgia. The vehicle initially approached the bus but did not remain stopped as required. It moved past the bus while children were getting off. Additional incidents were subsequently reported in Austin, Texas. School officials became concerned because the vehicles were operating in areas where students regularly boarded and exited school buses. The National Highway Traffic Safety Administration began examining the issue in October 2025. Waymo later introduced software improvements and announced a voluntary recall in December 2025. However, reports of additional incidents continued, raising questions about whether the original repair had completely solved the problem. The new November 2026 investigation is therefore focused on the effectiveness of the earlier software remedy. Federal regulators are not simply examining whether the company released an update. They want to establish whether that update actually corrected the safety problem in real-world driving conditions. Federal Investigation Covers 2,895 Waymo Vehicles One of the most important developments in this case is the number of vehicles included in the latest investigation. The National Highway Traffic Safety Administration has opened a recall query covering 2,895 Waymo vehicles. These vehicles are equipped with the company's fifth-generation automated driving system. The investigation focuses on whether the software used by these vehicles can correctly identify stopped school buses and respond appropriately when their warning systems are activated. A recall query is an important part of the federal vehicle safety investigation process. It allows regulators to examine whether a manufacturer has properly addressed a reported safety defect. The government may request technical information, software details, incident records, and explanations from the company. In this case, regulators are particularly interested in incidents that reportedly occurred after Waymo said it had completed its earlier software repair. The investigation could lead to additional corrective measures if the agency determines that the original solution was inadequate. Possible outcomes could include another software update, additional safety requirements, or further regulatory action depending on the evidence. It is important to understand that opening a recall query does not automatically mean that the government has ordered another recall. The purpose of the investigation is to determine whether the earlier repair was effective and whether additional action is necessary. What Happened During the Earlier School Bus Safety Incidents? The controversy developed after several incidents involving Waymo vehicles were reported by American school districts. One of the major locations involved in the investigation was Austin, Texas. Austin Independent School District reported repeated incidents in which Waymo vehicles allegedly failed to stop properly for school buses. According to reports published by Reuters, the school district documented at least 19 violations during the 2025 to 2026 school year by January 2026. The incidents included situations in which autonomous vehicles passed stopped school buses while students were boarding or leaving. School officials were particularly concerned because the vehicles were operating close to children and school transportation routes. Some incidents were recorded using cameras installed on school buses. These recordings provided evidence that allowed school authorities and investigators to examine the behavior of the autonomous vehicles. The problem was not limited to Austin. Atlanta, Georgia, also reported incidents involving Waymo vehicles and stopped school buses. These reports increased concerns about whether the problem was related to a particular location or a broader weakness in the autonomous driving software. The incidents also raised an important question. If a self-driving vehicle can recognize traffic signals and pedestrians, why might it fail to respond correctly to a stopped school bus? This question is central to the current federal investigation. Waymo's December 2025 Software Recall After reports of school bus safety violations, Waymo introduced software improvements intended to correct the problem. In December 2025, the company submitted a voluntary safety recall covering 3,067 vehicles equipped with its fifth-generation automated driving system. The recall was registered with the National Highway Traffic Safety Administration under recall number 25E-084. The official recall documentation described a software defect that could cause a Waymo vehicle to stop or slow down for a school bus and then begin moving again before the bus had deactivated its flashing red lights or retracted its stop arm. This behavior created a potential safety risk because students could still be crossing the road or entering and leaving the bus. The software update was intended to improve the vehicle's ability to recognize school bus warning signals and remain stopped when required. According to the information reported by federal regulators, Waymo said the software remedy had been completed by November 2025. However, subsequent reports raised questions about whether the update worked in every relevant driving situation. The new investigation is examining precisely this issue. A software recall is different from a traditional mechanical recall. In a mechanical recall, a manufacturer may need to repair or replace a physical component. In an autonomous vehicle software recall, the company may need to modify the computer instructions that control how the vehicle understands its surroundings and makes driving decisions. This makes software testing especially important. A change designed to correct one driving situation must also be tested against many other possible road conditions. The official recall documentation is available through the US government's vehicle safety database. Why Are School Buses So Important for Road Safety? School buses play an essential role in the American education system. Millions of children depend on school transportation every day to travel between their homes and schools. Unlike ordinary passenger vehicles, school buses are equipped with special warning systems designed to protect children. These systems generally include flashing red lights, flashing amber lights, and an extended stop arm. The warning systems communicate important information to approaching drivers. Amber lights usually warn drivers that the bus is preparing to stop. Red flashing lights and an extended stop arm indicate that the bus has stopped for passengers and that approaching traffic must stop under applicable state laws. The purpose is to prevent vehicles from passing the bus while children are entering or leaving it. Children may be difficult to see because they are smaller than adults and can move unexpectedly. They may also cross the road from in front of or behind the bus. A vehicle passing a stopped school bus can therefore create a dangerous situation. This is why school bus stopping requirements are treated seriously throughout the United States. For autonomous vehicles, the challenge is to recognize these warning systems accurately and make the correct decision every time. The vehicle must understand not only that a school bus is present but also whether the bus is stopped, whether its warning lights are active, and whether its stop arm is extended. It must then maintain the required stopping behavior until the situation is safe and the legal requirements allow it to proceed. How Does Waymo Self-Driving Technology Work? Waymo uses a combination of advanced technologies to operate its autonomous vehicles. The company's system is designed to perform many of the tasks normally completed by a human driver. These include identifying objects, recognizing traffic signs, understanding road conditions, predicting the movement of other road users, and controlling the vehicle. The technology uses several important components. 1. Cameras Cameras provide visual information about the road. They help the vehicle identify traffic lights, road signs, pedestrians, vehicles, cyclists, and other objects. Cameras are particularly important when recognizing visual signals such as the flashing lights and stop arms on school buses. 2. LiDAR Sensors LiDAR stands for Light Detection and Ranging. It uses laser pulses to measure the distance between the vehicle and surrounding objects. The technology helps create a three-dimensional understanding of the vehicle's environment. This can help the autonomous system identify vehicles, pedestrians, buildings, and obstacles. 3. Radar Technology Radar uses radio waves to detect objects and measure their distance and movement. It can provide useful information about surrounding traffic and help the vehicle understand how nearby objects are moving. 4. Artificial Intelligence Artificial intelligence is one of the most important parts of autonomous driving. AI systems process information collected by sensors and help determine what the vehicle should do. For example, the system may identify a pedestrian approaching a crossing and decide to slow down or stop. It may also recognize a traffic signal and determine whether it is safe to continue. 5. Computer Software Software connects the different components of the autonomous driving system. It processes information, evaluates possible actions, and sends instructions to the vehicle's steering, braking, and acceleration systems. This means that even when a vehicle has advanced cameras and sensors, its safety still depends heavily on how its software interprets the information. The Waymo school bus investigation highlights the importance of this final stage. Recognizing a school bus is not enough. The vehicle must correctly understand the bus's warning signals and follow the applicable traffic rules. Why Did the Software Update Raise More Questions? One of the most important aspects of the latest investigation is that the reported safety incidents continued after Waymo introduced its software remedy. This creates questions about the reliability of the company's autonomous driving system. Software updates are commonly used to improve autonomous vehicles. Companies collect information from real-world driving, identify problems, and develop improvements. However, autonomous driving involves thousands of different situations. A school bus may be parked on a straight road, positioned near an intersection, partially hidden by another vehicle, or approached from an unusual angle. The warning lights may be visible from one direction but difficult to recognize from another. The stop arm may also be partially blocked by nearby objects. An autonomous vehicle must handle these situations without making dangerous decisions. A software update may correct one specific problem without addressing every possible variation. This is one reason why repeated testing is necessary. The latest federal investigation will help determine whether the earlier software update was sufficiently comprehensive. It will also examine why some incidents reportedly continued after the company said the remedy had been implemented. The investigation is particularly significant because autonomous vehicles are expected to operate without constant human supervision in their approved operating areas. That makes reliable software behavior essential. What Did Austin Independent School District Report? Austin Independent School District became an important source of information during the Waymo investigation. School officials reported multiple incidents involving autonomous vehicles passing stopped school buses. The district raised concerns about the safety of students and the possibility of a serious accident. According to Reuters reporting in January 2026, the district documented at least 19 incidents involving Waymo vehicles during the school year. The school district also expressed concerns about incidents occurring after the company had introduced software improvements. In November 2025, the district reported five additional incidents following an earlier software update. School authorities wanted the company to take stronger measures to protect students. One suggestion was to suspend Waymo operations around schools during morning and afternoon pickup and drop-off periods until the safety issue could be resolved. The disagreement highlighted the difference between technological development and the practical responsibilities of operating vehicles around children. For school authorities, the priority is ensuring that every child can safely enter and leave a school bus. For an autonomous vehicle company, the challenge is developing software that can reliably follow traffic rules in complicated real-world environments. Both issues are important, but student safety remains the central concern of the investigation. National Transportation Safety Board Also Investigates Waymo The National Highway Traffic Safety Administration is not the only federal agency examining the Waymo school bus incidents. The National Transportation Safety Board has also opened a separate investigation. The NTSB is an independent federal agency responsible for investigating transportation accidents and identifying ways to improve safety. Its responsibilities include aviation, railroads, highways, marine transportation, and other transportation systems. In January 2026, the agency announced an investigation into incidents involving Waymo autonomous vehicles passing stopped school buses in Austin. The investigation examined reports that the vehicles failed to stop properly while school buses were loading or unloading students. In March 2026, the NTSB released preliminary information about a January 12 incident in Austin. According to the agency, a Waymo-operated autonomous vehicle passed a stopped school bus while its stop arms were still extended. The preliminary report also described the involvement of a remote assistance agent. The agent was located in Novi, Michigan, and responded to a request from the vehicle's system. After the response, the autonomous vehicle resumed moving and passed the school bus. The report stated that six vehicles passed the school bus in total. No collision occurred in that incident. The NTSB said that the investigation was continuing and that it would examine the circumstances surrounding the incident and other related reports. The distinction between the two federal agencies is important. NHTSA investigates vehicle safety defects and can take regulatory action, including requiring manufacturers to address safety problems. The NTSB investigates transportation safety events to determine causes and recommend improvements. Its safety recommendations are generally not legally binding. Together, the investigations provide a broader examination of the risks associated with autonomous driving technology. What Is the Difference Between NHTSA and NTSB? Many people may be confused about why two different federal agencies are investigating the same company. Although both agencies focus on transportation safety, their responsibilities are different.
The National Highway Traffic Safety
Administration is part of the US Department of Transportation. Its main responsibility is to improve vehicle safety and protect people using American roads. It investigates potential vehicle defects, monitors recalls, and enforces federal motor vehicle safety requirements. If a manufacturer fails to address a safety defect, NHTSA can take further regulatory action. The National Transportation Safety Board has a different role. Its primary purpose is to investigate transportation accidents and identify what caused them. It examines technical problems, operational failures, and other factors that may contribute to transportation safety incidents. The agency then publishes findings and recommendations intended to prevent similar events. In simple language, NHTSA can investigate whether a vehicle has a safety defect that requires corrective action. The NTSB examines what happened during transportation incidents and how similar incidents can be prevented. The Waymo case is receiving attention from both agencies because it involves a potential software-related safety problem as well as specific incidents involving school buses. Waymo's Response to the Federal Investigation Waymo has defended its autonomous driving technology and said that safety remains a major priority. The company has previously stated that its vehicles navigate thousands of school bus encounters every week across the United States. Waymo has also argued that its autonomous driving system continues to improve through software development and real-world testing. In response to the latest concerns, the company said it had made significant improvements to vehicle behavior around school buses. According to the November 9 reporting, Waymo said it had received no citations related to passing school buses since March 2026. The company also indicated that it would cooperate with federal regulators and provide information needed for the investigation. Waymo has maintained that there were no collisions in the school bus incidents discussed in the earlier investigations. However, the absence of a collision does not automatically mean that the vehicles complied with traffic laws or that the underlying safety concerns have been resolved. The purpose of the federal investigation is to determine whether the company's software operates as required and whether additional safety improvements are necessary. The company will have an opportunity to provide technical information and explain the measures it has taken to address the problem. Another Safety Concern: Waymo Vehicle Strikes a Child in California The school bus investigation is not the only recent safety issue involving Waymo autonomous vehicles. In January 2026, a Waymo robotaxi struck a child near an elementary school in Santa Monica, California. According to reports, the child suffered minor injuries. The incident led to a separate investigation by federal transportation safety regulators. The event attracted attention because it happened near an elementary school, where children regularly walk and cross roads. School areas require additional caution from all drivers because children may behave unpredictably. A child may suddenly run across the street, cross between parked vehicles, or enter the road without carefully checking traffic. This creates a difficult situation for both human drivers and autonomous driving systems. Self-driving technology must be able to recognize children, predict their movements, and respond quickly enough to avoid dangerous situations. The Santa Monica incident and the school bus investigation are separate matters. However, both highlight the importance of testing autonomous vehicles in environments where children are present. The investigations may also provide important information about how self-driving systems should behave near schools, pedestrian crossings, and other sensitive locations. What Are the Biggest Safety Challenges for Self-Driving Cars? Autonomous vehicles are designed to reduce human driving errors and improve transportation efficiency. However, they also face several complicated challenges. Recognizing Unusual Road Situations Most roads contain predictable traffic patterns. However, unusual situations can happen at any time. A school bus may stop unexpectedly, a pedestrian may cross suddenly, or an emergency vehicle may approach from an unusual direction. An autonomous vehicle must recognize these situations and respond appropriately. Understanding Human Behavior Human drivers often make decisions based on experience and judgment. For example, a driver may slow down after noticing children standing near a school bus, even before the bus activates its warning lights. Autonomous systems must learn to identify similar warning signs and make safe decisions. Poor Weather Conditions Rain, fog, snow, and dust can affect visibility. These conditions may make it more difficult for cameras and other sensors to recognize road objects. Autonomous driving systems must be tested under different environmental conditions. Complex Traffic Environments Busy intersections, narrow roads, construction areas, and school zones can create complicated driving conditions. Vehicles must understand how other road users are behaving and choose safe actions. Software Reliability Autonomous vehicles depend heavily on computer software. A small software problem can affect how a vehicle responds to a particular situation. This makes software testing, monitoring, and regular updates extremely important. The Waymo investigation demonstrates that even advanced autonomous systems need continuous safety evaluation. How Could the Investigation Affect Waymo? The latest federal investigation could have several consequences for the company. The final outcome will depend on the evidence collected by regulators. Another Software Recall If regulators determine that the earlier software update did not adequately correct the problem, Waymo could be required to introduce additional software improvements. The company may also need to demonstrate that the updated system performs correctly in different school bus situations. Additional Vehicle Testing Regulators could request more extensive testing of the autonomous driving system. This may include testing vehicles near school buses with different lighting conditions, road layouts, and traffic patterns. Changes to Operating Procedures Waymo could introduce additional restrictions or safety procedures around school zones. These measures might include changes to vehicle routes, operating hours, or software behavior in areas where school buses regularly operate. Greater Regulatory Oversight The investigation could lead to closer monitoring of autonomous driving companies. Federal regulators may seek more detailed information about how these systems recognize road hazards and follow traffic laws. Financial and Reputational Effects Safety investigations can create additional costs for technology companies. A company may need to spend money on software development, vehicle testing, regulatory compliance, and operational improvements. Repeated safety concerns can also affect public confidence in autonomous transportation. However, the actual financial impact on Waymo will depend on the investigation's findings and any regulatory action that follows. What Does This Mean for the Future of Driverless Cars in America? The Waymo investigation is important because the United States is becoming one of the largest markets for autonomous vehicle development. Technology companies are investing heavily in robotaxis and driverless transportation services. These vehicles could eventually become an important part of urban transportation. They may help passengers travel without owning a personal vehicle. They could also provide transportation services for people who cannot drive because of age, disability, or other limitations. However, the growth of autonomous transportation depends on public trust. People must feel confident that driverless vehicles can recognize pedestrians, follow traffic signals, stop for school buses, and respond safely to unexpected situations. If autonomous vehicles repeatedly make mistakes around children, public confidence could decline. The Waymo case may therefore influence how regulators approach the entire autonomous vehicle industry. Other companies developing self-driving cars may also examine their software and safety procedures to ensure that similar problems do not occur. The investigation could encourage the industry to place greater emphasis on real-world safety testing rather than relying only on controlled demonstrations and technical performance measurements. How Are Self-Driving Cars Regulated in the United States? The regulation of autonomous vehicles in the United States involves federal and state authorities. Federal agencies establish vehicle safety requirements and investigate potential defects. State governments generally regulate areas such as vehicle registration, licensing, traffic laws, and certain operating permissions. Local authorities may also establish rules affecting where and when autonomous vehicles can operate. NHTSA plays a particularly important role in federal vehicle safety oversight. It monitors vehicle manufacturers and can investigate reports of potential safety defects. Manufacturers are required to report certain safety-related information and comply with applicable recall requirements. Autonomous vehicle companies must also consider state traffic laws. A vehicle operating without a human driver does not automatically receive permission to ignore ordinary road safety requirements. For example, school bus stopping rules remain an important part of traffic safety. The Waymo investigation could help regulators determine whether existing rules and oversight systems are sufficient for increasingly advanced autonomous driving technology. Why Are Technology Companies Investing in Robotaxis? Despite safety concerns, autonomous vehicles remain an important area of investment for major technology and transportation companies.
Robotaxis offer a different approach to traditional transportation
Instead of relying on a human driver, the vehicle uses automated systems to perform driving tasks. Companies believe this technology could eventually reduce certain transportation costs and make ride services more widely available. A successful robotaxi network could operate across multiple cities and provide transportation throughout the day. It could also create new business opportunities involving mapping, artificial intelligence, software development, vehicle manufacturing, and transportation services. Waymo is one of the most prominent companies working in this field. Its connection with Alphabet provides access to substantial technology resources and experience in artificial intelligence and computing. However, operating a commercial robotaxi service requires more than advanced technology. Companies must demonstrate that their vehicles can operate safely in real-world conditions. They must also comply with government regulations and respond to safety concerns. The school bus investigation shows why technical innovation must be supported by reliable safety systems. Could Waymo Robotaxis Be Restricted in American Cities? One question raised by the investigation is whether Waymo could face additional operating restrictions. At present, the opening of the new recall query does not automatically mean that the company must stop operating its entire fleet. Regulators first need to examine the evidence and determine whether further corrective action is necessary. However, if serious safety problems are identified, additional restrictions could become part of the regulatory response. These might involve particular software versions, affected vehicles, operating locations, or specific driving conditions. Local authorities and school districts may also continue discussions with the company about safety near schools. For example, additional operating precautions could be considered during morning and afternoon school transportation periods. Any such measures would depend on the findings of the relevant authorities and applicable laws. The investigation should therefore be viewed as an ongoing regulatory process rather than an announcement of a nationwide ban on Waymo vehicles. What Should Parents and Schools Know About Driverless Cars? The growing use of autonomous vehicles creates new questions for parents, teachers, and school transportation officials. Parents want to know that their children can travel safely between home and school. School districts want to ensure that vehicles on public roads follow traffic rules around buses. Autonomous vehicles introduce a new type of road user that operates through computer systems rather than a human driver. This makes communication between technology companies, schools, and transportation authorities important. School districts can report incidents, preserve video evidence, and communicate safety concerns to regulators. Technology companies can use this information to improve their autonomous driving systems. Parents should also teach children basic school bus safety rules. Children should wait in designated areas, follow the instructions of school bus drivers, and look carefully before crossing roads. Although autonomous vehicles are designed to recognize pedestrians, children should never assume that a driverless car will always detect them correctly. Road safety requires attention from everyone. How Could This Investigation Change Autonomous Vehicle Safety Standards? The Waymo investigation may become an important example in the development of future autonomous vehicle safety requirements. Traditional vehicle safety standards were developed mainly around vehicles controlled by human drivers. Autonomous vehicles introduce new technical challenges because important driving decisions are made by software. Regulators must therefore examine how automated systems recognize hazards and respond to them. The investigation may encourage greater attention to several areas. First, autonomous vehicles may need more extensive testing around school buses. Second, manufacturers may face greater pressure to demonstrate that software updates actually correct reported defects. Third, companies may need stronger monitoring systems to identify repeated safety problems across their fleets. Fourth, regulators may seek clearer information about how remote assistance systems interact with autonomous vehicles. Finally, manufacturers may need to improve the way their vehicles communicate their intentions to other road users. These developments could influence the future of autonomous vehicle regulation across the United States. However, any new requirements will depend on regulatory decisions and the findings of ongoing investigations. Waymo and Alphabet: Why the Case Matters for the Technology Industry Waymo is part of Alphabet, the parent company of Google. Alphabet has invested heavily in advanced technologies, including artificial intelligence, autonomous driving, cloud computing, and other digital services. Waymo represents an important part of the company's efforts to develop commercial applications for autonomous technology. The robotaxi business also operates in a competitive environment. Companies developing autonomous transportation systems are competing to establish reliable services in major cities. Safety performance is therefore important not only for regulatory compliance but also for long-term business development. A company that demonstrates reliable autonomous driving technology may be better positioned to expand its transportation services. However, repeated safety problems can increase regulatory scrutiny and create uncertainty about future operations. The current investigation does not establish that Waymo's overall technology is unsafe. Instead, it examines a specific reported safety issue involving school bus stopping behavior. The findings could provide important lessons for Waymo and other companies developing driverless transportation systems. What Happens Next in the Federal Investigation? The next stage will involve examining information related to the affected vehicles and the earlier software recall. NHTSA is expected to evaluate the effectiveness of the software remedy and investigate why reports of school bus safety violations continued after the company said the update had been completed. The investigation may involve reviewing incident reports, software information, vehicle records, and technical explanations provided by Waymo. The agency will also need to determine whether the reported incidents indicate an ongoing safety defect. Several possible outcomes exist. The investigation could conclude that the earlier software repair adequately addressed the problem and that no additional recall is necessary. Alternatively, regulators could determine that additional software improvements are required. If the agency identifies a safety defect that has not been adequately corrected, further regulatory action could follow. The separate NTSB investigation will continue examining the circumstances surrounding the school bus incidents and identifying possible safety improvements. It is important to remember that investigations take time.
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