This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...

The California road builder will embark on further safety enhancements for winding State Route 74 in the Santa Ana Mountains.

Hunters were once the greatest human threat to the country’s only unique wolf species. Today, it’s motorists. That fact was ...

Worldwide warming temperatures are hammering roads that were built for a different climate and ballooning repair budgets.

People crossing the street near Union Square in San Francisco.

Agencies in California and Nevada have issued private activity bonds for the Brightline West project, a key element in ...

LATEST Feb. 3, 1:27 p.m. Caltrans officials have confirmed that the detour around Monday’s Highway 101 closure in northern ...

PCH's closure has severely disrupted local transportation networks and emergency response capabilities across Los Angeles ...

Protests over President Trump’s stringent immigration policies erupted across the country over the weekend, with the city of ...

The stretch of the highway along the Pacific Ocean between Santa Monica and Malibu reopened to regular traffic. Some local ...

After a weekend of confusing statements and partial openings, the Pacific Coast Highway has reopened. The California Department of Transportation (Caltrans) announced the reopening of State Route ...

On Friday, the California Transportation Commission (CTC) allocated nearly $1 billion for projects aimed at solving mobility ...