Professional ratings
Aggregate scores
Source	Rating
Metacritic	53/100
Review scores
Source	Rating
AllMusic
Billboard	75/100
Goldmine
Jam!
Melodic.net
The Michigan Daily
Rolling Stone
Sputnikmusic
USA Today
The Washington Times

California 37 is the sixth studio album from California rock band Train. The album was released on April 13, 2012 through Columbia Records. It is the last Train album to feature drummer Scott Underwood before his departure in 2014 and the last recorded as a three-piece. It was preceded by the lead single "Drive By" on January 10, 2012.

Train recorded the album in San Francisco and Los Angeles with Butch Walker and Espionage, and Monahan says that a majority of the writing happened while the group was touring Save Me, San Francisco. "I didn't spend 3 months or 5 months writing, I just wrote throughout the course of the last 3 years," said Monahan. "We have 13 songs that we've recorded and I want to hear every single one of them over and over again."

California 37 was recorded in various locations across North America. Recording sessions for the band's sixth studio album took place at the Tiny Telephone and Hyde Street Studios in San Francisco and at Ruby Red Studios located in Los Angeles, California. Additional recording and production for the album also took place at the Bear Creek Studios in Woodinville, Washington and at the Avast! Recording Studios located in Seattle, Washington. Other studios used by the band for recording on California 37 include Integrated Studios, Flux Studios, MSR Studios and Peaceful Waters Music, all located in New York, New York, and at the Quayside Studios, located outside of North America, in Newcastle, England.

The album is named after California State Route 37, a state highway in the North San Francisco Bay Area in northern California. The album's cover is a picture of a 1961 Cadillac on a barren road with a California State Route 37 spade sign in the foreground—with a shadow overlay of their crown logo used on every album since their debut.

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Wikipedia