State Route 99 (SR 99) is a major north–south state highway in the U.S. state of California, stretching almost the entire length of the Central Valley. From its southern end at Interstate 5 (I-5) near Wheeler Ridge to its northern end at SR 36 near Red Bluff, SR 99 goes through the densely populated eastern parts of the valley.

U.S. Route 99 (US 99) was the main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico, California, on the Mexican border to Blaine, Washington, on the Canadian border.

US 99 ran 917 miles through the heart of California. It entered the state from Oregon near Siskiyou Summit and left the state (and country) at Calexico. Prior to 1964, all California State Highways were also known internally by what were called …

State Route 99 is a quality-of-life corridor for the San Joaquin Valley and beyond. And yet, State Route 99 remains unfinished. In 2005, Caltrans published the SR 99 Business Plan, which outlined a strategic approach to transforming SR 99 into a safe and efficient trade corridor.

State Route 99 (commonly known as Old Highway 99 or just 99) is a state highway in California, in the United States. It is about 424.85 miles (683.73 km) long, running from north to south in the Central Valley. It is parallel with Interstate 5.

US 99 ran through the heart of California. It entered the state from Oregon near Siskiyou Summit and left the state (and country) at Calexico. In between, it ran on the following course: Pacific Highway Section. Hornbrook, Yreka, Weed, Mt. Shasta City, Dunsmuir, Redding (Crossing US 299), Red Bluff. At Red Bluff, US 99 split into US 99E and US 99W.

California 99, known alternately as the Golden State Freeway and as California's Workhorse Highway (see California Transportation Journal article from 2003), is a busy corridor between Wheeler Ridge and Red Bluff through the Central Valley.

Aug 14, 2023 · Discover California's quirky Highway 99 in the Central Valley. Visit the well-known travel destinations along your way down the southern half of this historic highway.

Highway 99 Road Trip Stops: Parks, Food, Treehouses & Gardens The long stretch of road between Bakersfield and Sacramento is not as sparse as Highway 5, but it still is one of those roads where people drive point A to point B as fast as possible.

Highway 99 joins Interstate 5 near Sacramento International Airport and takes you past Old Sacramento – the largest restoration of a Gold Rush town and historic waterfront in the West. It is also home to the California State Railroad Museum …