|
|
|
|
|
Robert Bertini, Haizhong Wang, Tony Knudson, Kevin Carstens
Pág. 447 - 458
Safety remains a problem on U.S. roadways, with more than 32,000 fatalities, 2.2 million injuries and 6 million crashes each year. Travelers, shippers and the economy are exposed to increasing amounts of congestion, unreliability, delay, emissions and ex...
ver más
|
|
|
|
|