​In 2013, Caltrans scaled back it’s widespread Adopt-a-Highway program in southern Marin, citing safety concerns along the stretch of Hwy. 101 between the Waldo Tunnel and Corte Madera. The move both frustrated and galvanized anti-litter advocates in the area.

But Vicky Dehnert, a Mill Valley resident and co-founder of Marin Clean Highways, says that some prime spots remain adoptable, including Vista Point at the north end of the Golden Gate Bridge, the area around Wolfback Ridge and Rodeo Drive, among others. 

The Caltrans Adopt-A-Highway Program allows individuals, organizations, or businesses to help maintain sections of roadside within California’s state highways. Groups have the option to participate as volunteers or to hire a maintenance service provider to perform the work on their behalf.

Participation can include one or more of the following activities:

  • Removing litter (work frequency varies with location) 
  • Planting and establishing trees or wildflowers 
  • Removing graffiti 
  • Controlling vegetation


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