State Route 99 (
SR 99), commonly known as
Highway 99 or, simply, as
99 (without any further designation), is a 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. Cities served include
Bakersfield,
Visalia,
Fresno,
Madera,
Merced,
Modesto,
Stockton,
Sacramento,
Turlock,
Yuba City, and
Chico.