But the federalHighwayAdministrationrejectedthisproposalin April, citingafederal rule that toll revenue generated on interstates may be usedonly to improve ormaintainthe road with the toll.
Options to look for include adaptive cruise control that can automatically maintaina set speed and interval on the highway, and high-intensity Xenon headlamps with Active Curve Illumination that can help illuminate the road at night through curves.