Physics
Highway heaven or highway hell?
A tangle of US tarmac has mathematicians waxing lyrical – so why do the locals want to pull it to pieces?
Features
Health
Cannabis doubles the risk of fatal crashes
News
Health
Taking on the drugged and drunk drivers
News
Technology
Desert racers – drivers not included
Features
Earth
Cleaner, crazier cars on show in Tokyo
News
Technology
Death Rays, Jet Packs, Stunts and Supercars, by Barry Parker
Books & Arts
Technology
Powdered metal: The fuel of the future
Features
Technology
Volkswagen wins robotic race across the desert
News
Technology
Robotic vehicles rev up for action
News
Technology
Robotic vehicles rev up for race across the desert
The Grand Challenge for unmanned vehicles takes place in the Nevada desert on 8 October. 2004's race came to an ignominious end. Will contestants do any better this year?
News
Earth
Major highways are a hard cross to bears
News
Technology
Stopping the slaughter of innocent pedestrians
News
Technology
Stored summer heat de-ices winter roads
News
Technology
Turned off by daytime driving lights
Features