Man in car looking out the window.

Daylight Saving Time | State Legislation

State legislatures continue to grapple with state policy questions regarding the biannual changing of the clocks. Most states have considered legislation over the last several years that would place the state permanently on either standard time or daylight saving time.


Traffic on highway.

Infrastructure Investment and Jobs Act: Implementation and Key Resources

President Joe Biden signed the bipartisan $1.2 trillion Infrastructure Investment and Jobs Act into law on Nov. 15, 2021. Find a detailed summary of the major provisions impacting states. You can also watch an NCSL staff briefing for legislators and legislative staff providing a deep dive on the bill or access the slide presentation.





Distracted driver.

State Unmanned Aircraft System | 2021 Legislation

Find out what legislatures did to address unmanned aircraft systems, commonly known as UAS or drones, during the 2021 legislative sessions.


Autonomous vehicle testing.

States Advance Autonomous Vehicle Policy and Technology

Catching a ride in an autonomous vehicle—once a futuristic wish—is slowly becoming a reality in the United States. Learn more about technology companies testing and operating autonomous vehicles in the U.S. and how Arizona, a leader in AVs, recently enacted legislation to codify key regulator practices to help ensure the safety of AVs. 


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State Road Usage Charge Toolkit

Motor fuel tax receipts are projected to decline as vehicles become more fuel-efficient and electric vehicles proliferate. Learn more about the details of road user charging (RUC) activities in Missouri, New Hampshire, Oregon and Washington, with other states to be added soon. 


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Transportation Legislation Tracking Databases

NCSL’s Transportation Program bill tracking databases, Traffic Safety | Funding and Finance and Autonomous Vehicles | have information about transportation-related bills that have been introduced in the 50 states and D.C.


Man filling gas tank on car.

Transportation and Traffic Safety Podcasts 

"Our American States" has hosted several conversations on transportation and traffic safety topics, including drug and alcohol-impaired driving, school bus safety, distracted driving and transportation accessibility. Find all the transportation-related podcasts here.