Longmont-area cone zones for Oct. 19-25

• County Line Road corridor upgrade project Cheesman to Balcolm closure: The County Line Road corridor upgrade project spans from Kenosha Road to Highway 7 and will occur in smaller segments through January, weather permitting. Southbound traffic will now be rerouted onto Main Street, while northbound traffic will be redirected onto High Street. The speed limit on Main and High streets will be 25 mph, and fines will be doubled for violations.

• Road striping operations: Road striping operations will be conducted on most major arterial roads throughout the town of Erie through Nov. 30, weather and other delays pending.

• Concrete repairs: Concrete repairs throughout Erie are set to run through Dec. 31, weather permitting. Crews will work on sidewalks, curbs, gutters, drain pans and ADA ramps across various locations. Work hours are 8 a.m.-4 p.m. Roads remain open; follow signs for safety.

• Crack sealant project: Crack sealant work will take place through Dec. 6 in the Airpark, Grandview and Vista Ridge neighborhoods. Work will take place between 8 a.m. and 4 p.m., and while the project is underway, certain areas may experience temporary restrictions or delays.

• WCR 7 waterline improvements: Starting Monday, Nov. 4, the Town of Erie will begin the Zone 3 Weld County Road (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 2025.

Boulder County

• 95th Street (Valmont to Lookout roads) reconstruction and flood safety improvements: 95th Street between Valmont and Lookout roads will see significant construction activity lasting through the year. The project will be completed in two phases. The first phase, which is the reconstruction of the roadway, will require daytime, weekday road closures. The second phase, which is the construction of a large new culvert system, will require a full roadway closure, beginning Aug. 26. In addition, a new traffic signal and intersection configuration will be created at Lookout Road and 95th Street. Expect daytime, weekday lane shifts with short travel delays. Construction is expected to be completed by December.

• 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.

• Jay Road paving project: Jay Road will be repaved and restriped between Colo. 119 and 63rd Street starting in September. Work will require daytime, weekday lane closures and traffic shifts, so expect delays. Flaggers will be used to safely move travelers around construction. The project is anticipated to end in late November.

• 120th Street closure: Crews working on the Willoughby Corner Housing Project will close 120th Street between Colo. 7 and Emma Street starting Monday. The closure will be in place for approximately 10-weeks, weather permitting.

• East County Line Road reconstruction: Public Works will rebuild East County Line Road between Zlaten Drive and St. Vrain Creek in order to widen the road and reduce some of the hills to increase safety for all travelers. The new road will include seven-foot wide paved shoulders in order to connect cyclists and pedestrians to the City of Longmont's St. Vrain Trailhead. In order to complete this work, East County Line Road will need to be closed between Zlaten and Quicksilver for a few months.