Tech companies developing self-driving vehicle technology have tapped the brakes on testing on California's public roads, ...

Caltrans District 2 Public Information Officer Chris Woodward told the Northstate’s News there are currently about 250 field maintenance workers throughout their seven counties on alert.

The current budget for the plan is $300 billion, but the return on investment is projected to be over $540 billion. California's groundbreaking high-speed rail project set to revolutionize in-state ...

The California Transportation Commission today allocated nearly $1 billion for projects aimed at solving mobility challenges and aiding California’s continued effort to make the highway system ...

MAFFS, or Modular Aerial Fire Fighting Systems, transforms a military transport into an aerial firefighter. In an interview ...

With harsher rules in place, California has been able to address issues that the federal rules were not likely to tackle.

More public buses are ditching diesel engines for battery packs and hydrogen fuel-cell power. But in recent years, this newer, greener tech has encountered industrywide ...

The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

The National Transportation Safety Board confirmed to USA TODAY that investigators recovered the cockpit voice recorder and ...

A newly formed citizen advisory board tasked with overseeing Orange County’s transportation issues held its first meeting ...

Mishaps with equipment manufacturers, maintenance crews and power suppliers are threatening fleets’ transition from diesel engines.

The homebuilt airplane that crashed into a California warehouse earlier this month appears to have had a door ajar while in flight, according to a preliminary report by the National Transportation ...