Road transportation underpins economic activity and everyday life. The National Academies explore traffic safety, infrastructure design, and technology to make roads safer and more resilient. The 2026 ...

Gas tax revenues are dwindling as cars become more fuel efficient and more drivers switch to electric vehicles. That revenue has been the primary source of state transportation funding for decades.

In the future, there will still be a lot happening on the roads. Whether it is cars and trucks for individual mobility and freight transport or buses and trams as part of local public transport, the ...