Update! Lefthand Canyon has been chip & sealed and reports from riders are that the road is unrideable
Boulder County will be chip sealing 25 miles of county roads this summer, including some popular bicycle routes.
NEW SCHEDULE!
Starting on Monday, June 11, County crews will begin spreading the chip on Overland Road above Jamestown and work their way down James Canyon, and then Lefthand Canyon all the way to US36 (Foothills Highway). The chip application will be followed closely by rollers and sweepers to set the material into the road surface along with the application of a “fog-coat” to further reduce the amount of loose material. The entire process is expected to take just under a week for each section of road.
Chip-sealing roads preserves the road surface, reduces potholes, and extends the life of the pavement, allowing us to go longer between pavement overlays. We understand the chip seal can be disruptive to cycling and can make for a rough ride for a period of time. To address these concerns, Boulder County continues to use smaller chips than in the past and is committed to sweeping and fog-sealing the roads immediately after the chip is applied in an effort to reduce the amount of loose chips and smooth the ride. However, the chip seal process can make for a rougher ride until it settles with the heat of the summer, so please use caution when cycling on these roads for a couple of weeks after the chip is put down.
- Week of June 11
James Canyon Drive / Overland Drive – top of James Canyon to intersection with Lefthand Canyon Drive.
- Week of June 18
73rd / 75th Street - south of Plateau Road
Niwot Road - west of 73rd to 63rd and east of 73rd to Highway 119
Jay Road - US36 (28th Street) to 47th Street
- Week of June 25
Jay Road - 47th Street to 75th Street
Baseline Road - City limits (east of 55th) to Cherryvale Road
North 75th Street - Longmont limits (south of St. Vrain Road) to Highway 66
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