Signed as State Route 19. Unconstructed from Route 605 to Gallatin Road.
Entire route. [CS&HC Sec. 253.1]
Route 164 crosses the Whittier Narrows Recreation Area. The activities and facilities available are listed on the link provided. Special events occur here regularly. Its Nature Center east on Durfee Avenue focuses on river environment and houses graphic and live displays of plant and animal life.
At Mission Drive in Rosemead is Rosemead High School. Their school mascot, the panther, is proudly displayed over their gym, which is readily visible from Route 164.
The Los Angeles County Arboretum and Botanical Garden, where you can learn more about botany and local plants and wildlife, is east on Huntington Drive and then north on Baldwin Avenue.
Route 164 runs entirely on Rosemead Boulevard. It crosses the cities of South El Monte, Rosemead, and Temple City. The route continues as an expressway.
The Metro Gold Line runs along the middle of Route 210 from Lake Avenue to Madre Street. The Sierra Madre Villa station is easily accessible from Route 164 by heading west on Colorado Boulevard (former Route 248) and then north on Madre Street. The station has a Park-and-Ride structure with 1,000 spaces. The Gold Line continues south from Pasadena through South Pasadena, Highland Park, and Chinatown, to Union Station in Los Angeles, where it connects to the rest of Metro Rail via the Red Line.