It’s a mysterious yet oh-so familiar phenomenon on the roads. What makes cars grind to a halt for no apparent reason?

Pinellas County Democratic Rep. Lindsay Cross says there are common-sense things that government can do to enhance safety for ...

If you're hoping to drive faster than you can on any highway in the US, Arizona might soon be the place to go. A state representative has introduced legislation that would remove speed limits in some ...

The leading U.S. robotaxi operator has lobbied in North Carolina and spoken with Raleigh officials, but not yet brought its ...

State Route 24 in the southeast Valley carries more than 60,000 vehicles daily, with most people driving up to 70 mph despite ...

Arizona and a coalition of 16 states sued the U.S. Department of Transportation, challenging the Trump administration’s delay of $4 billion in electric vehicle infrastructure funding approved by ...

Aurora Innovations, Inc. debuted a driverless semi from Dallas to Houston in May and will now add the new 600-mile route from Fort Worth.

Rep. Nick Kupper said he thought up the idea during a "long drive one day," recalling Montana's experience banning speed ...

Waymo vehicles use cameras and weight sensors, but these detection systems are oriented toward the seating area, not the cargo space.

Arizona Rep. Nick Kupper is proposing the RAPID Act (HB 2059) to lift speed limits during the day on qualifying rural interstates.

Arizona may become the only state without maximum speed limits on some highways, as Rep. Nick Kupper proposes a pilot project ...

Hundreds of driverless trucks will be on Fort Worth-area roads soon following the creation of a new statewide route to El ...