Chip sealing of county roads starts this week

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Boulder County’s Transportation Maintenance Division has started its annual chip seal work on county roadways. The work will take place from approximately 6:30 a.m. to 4:30 p.m., Monday through Thursday, and is expected to last three weeks, weather permitting.

To aid in cycling safety and to help create a smoother ride, a smaller chip size will be used than is typically applied on other roads that are not maintained by Boulder County Transportation.

Boulder County Transportation encourages motorists and cyclists to avoid unnecessary travel on the following roads on days that the chip application and sealing operations are taking place as there may be travel delays. The area roads to be chip sealed include:

81st Street

Niwot Road

65th Street

Oxford Road

75th Street

95th Street

97th Street

North 83rd Street

Chip sealing operations are part of the county’s primary network roadway rehabilitation plan. The process is intended to extend the lifespan of the roadway and postpone larger reconstruction efforts that would require more expensive work and longer travel restrictions. Work is weather dependent and there may be delays due to rain or other unfavorable working conditions.

For more information on the work, visit the project web page at, or contact Andrew Barth at or call 303-441-1032.

Chip sealing of county roads starts this week

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