Adjustments to increase the velocity of a 6,000-lb wrecking ball had its desired effect more than a week after Caltrans engineers determined that the key Highway 1 connection on California's coast had been irreparably damaged during a series of storms.
State transportation departments are considering using high-tech maps to measure how much fuel is saved from driving on repaved highways, thanks to a new pavement-vehicle-interaction test developed at MIT.
