CONE ZONES - Daily Camera

CONE ZONES

Boulder

• 28th Street improvements — Pearl to Iris: This project will improve multimodal travel along 28th Street from Pearl to Iris. Northbound 28th and Valmont Road RTD Stop #17992 serving 205 and BOLT routes will be temporarily relocated to just south of the Valmont intersection until Dec. 31.

• 19th Street multimodal improvements: Work will continue to install curb/gutter, sidewalks and buffered bike lanes. 19th will be reduced to one lane with flaggers where work is occurring, until May 30.

• 19th Street and Fourmile Canyon Creek Underpass: Crews will begin replacing the bridge over Fourmile Canyon Creek and construct a bike/pedestrian underpass. Northbound RTD 204 bus stops at Riverside and Upland will be temporarily closed. Work is anticipated to end March 2, 2026.

• 30th Street multimodal improvements: On 30th Street from Colorado to Arapahoe, crews will be adding sidewalk-level protected bike lanes and transit stop improvements, requiring single lane closures as needed on 30th Street. Work is expected to be completed Feb. 11.

• 28th and Colorado protected intersection: This project is to install a protected intersection, sidewalk-level protected bike lanes and bus lanes. There will be lane closures where work is occurring, as needed. Expect delays, pedestrian and bike detours when traveling in the area. Work is expected to be completed June 30.

• 63rd waterline replacement: Due to the need to replace two water lines under 63rd Street, lane shifts and a full closure of 63rd between Nautilus and 75th will occur for periods of time through June 30. Additionally, 63rd will be fully closed from Jay to Twin Lakes through Feb. 28. Work hours are 7 a.m.-5 p.m. Monday-Friday.

• Pipe rehabilitation: Work will include extensive cleaning in December and installing a new slip-lined pipe in February for the Dry Creek No. 2 ditch. Expect shoulder closures on the north and south sides of South Boulder Road during work hours, 8 a.m.-5 p.m., through Feb. 28.

• Foothills sanitary sewer relocation: To replace a failing sewer line that crosses Foothills Parkway, there will be bike lane closures and a closure on 47th. Work will be conducted between 7 a.m.-7 p.m. through March 12.

Boulder County

• Colo. 119 safety, mobility and bikeway construction: CDOT will begin work on Colo. 119/Diagonal Highway. This project is anticipated to be completed in the spring of 2027.

Erie

• WCR 7 waterline improvements: The town of Erie is working on the WCR 7 Waterline Improvements project. This project will install a new transmission waterline to secure the future delivery of potable water, impacting approximately 2.7 miles of WCR 7 and requiring significant traffic changes. Expect full closures between WCR 12 and Colo. 52, and single-lane traffic south to Erie Parkway through August.

• Sheridan Parkway and Ridgeview Drive traffic signal installation: Traffic signal installation at Sheridan Parkway and Ridgeview Drive will continue with phased work through April. Expect occasional lane restrictions 9 a.m.-3 p.m. Two-way traffic will remain open during construction.

• WCR 3 bridge replacement: WCR 3 between WCR 12 and Colo. 52 will be closed as part of the WCR 3 bridge replacement project. This project includes the removal of the existing bridge over Sullivan Ditch and installation of a new box culvert designed to support the roadway above and safely carry ditch water beneath. Additional upgrades will improve the roadway and guardrails. During this closure, access will be limited to local traffic only. Through-traffic will not be allowed. The project is expected to be completed by April 1.

• Concrete repairs on Arapahoe Road and Nine Mile Entrances: The Town will conduct removal and replacement of concrete on Arapahoe Road and at the entrances off U.S. 287. This warranty repair work is part of the Nine Mile development and is expected to last 3-4 weeks, weather permitting, with all work complete by March 31. Work will take place 9 a.m.-4 p.m. Monday-Friday. Lane shifts and closures will occur on Arapahoe Road, but the road will remain accessible in both directions. Lane restrictions at the entrances to Nine Mile’s commercial and residential properties off Arapahoe Road may occur, but access will remain open to traffic.