A jackknifed semi-truck near milepost 103 in Olympia causes lane closures, impacting traffic on southbound I-5.

All lanes of southbound Interstate 5 are blocked in Olympia after a semi tractor-trailer jackknifed and crashed into a ...

Local Tecopa, California business owner said he’s never seen a semi truck drive on his property’s rugged roads.

While semi-trucks only make up about 5% of registered vehicles in the U.S., there are millions of them in the country. And with these vehicles averaging 45,000 miles every year, you'll find them all ...

Part of Interstate 94 in Washtenaw County, Michigan, was closed for hours Monday in the aftermath of a rollover crash involving a tractor-trailer, Michigan State Police said. The Ann Arbor Fire ...