Requires the Department of Homeland Security to report to Congress within 180 days on threats from vehicle-based terrorism and the department's efforts to prevent and respond to them.

• Requires a classified report, with an unclassified executive summary published on the Department of Homeland Security website, due 180 days after enactment
• Covers threats involving autonomous vehicles, driver-assistance systems, and ride-sharing services, plus higher-risk sites such as airports, seaports, power plants, and crowded public events
• Directs the department to review physical barriers, vehicle-access technologies, coordination with private companies and law enforcement, and privacy protections
• Requires a briefing to the appropriate congressional committees within 30 days after the report is submitted

• Homeland Security Committee (House)
• Counterterrorism and Intelligence Subcommittee
• Transportation and Maritime Security Subcommittee
• Homeland Security and Governmental Affairs Committee (Senate)

Transportation and Public Works