Important Road Closure Information for Cyclists and Motorists in Hillsborough
18-Day Road Closure: Crystal Springs Road at Polhemus Road
Starting Monday, June 11, Crystal Springs Road from Polhemus Road to Skyline Blvd. (Highway 35), will be closed for construction work. The road closure will be in effect through Friday, June 29. This short-term road closure is necessary as we improve your regional water delivery system, and will ensure the safety of the residents, motorists and bicyclists who use this roadway.
The road closure is for 18 consecutive days, 24 hours a day, during this critical construction phase. On Sundays, cyclists will have access to this segment of the road.
Construction Hours: 7 a.m. to 7 p.m. Additional welding work, which may occur inside the pipeline and underground, may take place from 7 p.m. to 10 p.m.
Detour Map
Motorist Detour
From 280:
Use 280 South to Bunker Hill
Exit Bunker Hill, continue East to Polhemus Road
Turn left on Polhemus Road
From Polhemus Road:
Go South on Polhemus Road
Turn right (West) on Bunker Hill
Take 280 North to Hayne/Black Mountain Exit
Bicycle Detour
From Hwy 35:
Take Hayne Road under 280
Turn Right on Black Mountain
Continue on Black Mountain
Turn Right on W. Santa Inez
Continue on Brentwood
Turn Right on El Cerrito
Right on Crystal Springs
From Polhemus Road:
Take Crystal Springs Road (North)
Turn Left on El Cerrito
Turn Left on Hayne Road, continue under 280
