Caltrans and California Highway Patrol crews will be at four locations picking up trash as part of the 10th annual Litter Cleanup and Enforcement Day, Caltrans spokesman Adam Priest said.
A total of roughly 40 crewmembers will participate in the cleanup, which is a way to let Bay Area residents know that trash buildup on highways "is an issue that we need to bring attention to," Priest said.
In San Jose, the cleanup was scheduled to begin at 9 a.m. along U.S. Highway 101. Crews are picking up trash between Interstate Highway 280 and state Highway 237.
A second cleanup is taking place throughout the morning farther north on Highway 101, between the Sierra Point Parkway exit in Brisbane and the Candlestick Park exit in San Francisco.
In the Oakland-Alameda area, crews are removing litter from Doolittle Drive between Hegenberger Road and Island Drive.
The final cleanup is taking place in Marin County on Highway 101 between Tiburon Boulevard and Tamalpais Drive in Corte Madera, and over the Alto Hill, Priest said.
Priest said that in addition to the annual one-day event, smaller cleanups are done quarterly.
Anyone who wants to help remove litter from highways can do so through Caltrans' Adopt-a-Highway program. More information about the program can be found at www.dot.ca.gov.