Monterey Road is a major Silicon Valley thoroughfare that runs from Gilroy north to San Jose, California, in Santa Clara County.

Shortly before entering Downtown San Jose, Monterey Road ends at CR G8 (Alma Avenue) and continues northwest as First Street.

[6] The Northern California black walnut trees seen along this highway were planted by horticulturist Horace G. Keesling of San Jose.

Except for stretches where urban growth and modern highway construction have required removal, these trees still provide the shade that Horace wanted.

There is a plaque that is hard to access located on the west side of Monterey Highway (next to the train tracks) in San Jose.

On February 28, 2023, it received a $2 million grant from the United States Department of Transportation's Reconnecting Communities Pilot program, which is funded by the Infrastructure Investment and Jobs Act, to conduct a design study.

The high rate of accidents is blamed on the lack of a median between the road's six lanes of traffic, which encourages vehicles to go as fast as 50 miles per hour (80 km/h).