County Line Road: The widening and installation of left turn lanes and intersection improvements and other work on County Line Road between Ninth and 17th avenues is underway and scheduled to be completed in April.
Downtown Longmont, Main Street: Crews have installed barriers for a lane-closing project, with workers closing off a northbound lane between the middle of the 200 block of Main and Sixth Avenue and a southbound lane from Sixth to Fourth avenues. The closings, put in place to create additional outdoor space for downtown shoppers and restaurant customers, are tentatively planned to be in place through the end of September.
17th Avenue and Main Street: Storm drainage work along 17th east of Main and along the east and west sides of Main north of 17th is expected to continue through this month. Travelers can expect continued closures of the right lanes of northbound Main and westbound 17th throughout the project as crews install the additional storm sewer system. Project work will generally take place on weekdays during daytime hours.
First Avenue and Emery Street: Intersection improvements, pavement reconstruction and a railroad crossing improvement project will reduce lane widths along First at Emery and cause occasional delays due to equipment moving in and out of the work area. Emery Street will be closed between First and Second avenues for the duration of the project, which is expected to last six months, and Second Avenue is recommended as a detour route.
Main Street (U.S. 287): The Colorado Department of Transportation is working on adding a northbound U.S. 287 lane between Pike Road and a point about 1,000 feet south of Pike Road and Main Street, and on medians at Main’s intersections with Grand Avenue and 17th Avenue. Motorists can expect single-lane closings from 7 a.m. to 5 p.m. Mondays through Fridays.
Ninth Avenue: The paving and reconstruction of Ninth Avenue between Airport Road and Hover Street is scheduled to be completed this month, weather permitting.
Jay Road: Boulder County road maintenance workers will mill and pave the asphalt surface on Jay Road between 63rd and 75th streets from Tuesday through Sept. 22. Work will take place between 7 a.m. and 4 p.m. weekdays. During working hours, Jay Road will be reduced to one lane of traffic, and flaggers will be used to move travelers safely through the construction zone. Both lanes will be open after 4 p.m. each day. The roadway will be milled, so surface conditions will be less than ideal. The county advises motorists to use caution when traveling through the area.
Foothills Parkway: Foothills is reduced to one lane of traffic in each direction between Baseline Road and Colorado Avenue for a bicycle and pedestrian underpass project. A bicycle and pedestrian detour is in place, and there might be some off-peak-hour lane closings. There is a 30 mph limit in places where posted.
Pennsylvania Avenue: Pennsylvania is closed to vehicles between 12th and 13th streets but open to cyclists and pedestrians during restaurant reopenings in the area. The closing is expected to last through Oct. 31.
Pearl Street: Pearl is closed to vehicles but open to cyclists and pedestrians between Ninth and 11th streets through Oct. 31 for area restaurant reopenings.
30th Street: The right lane on 30th Street heading northbound will have intermittent lane closures between Walnut and Mapleton streets through July 2022 during construction of the Pollard Jeep Site development. Arrow boards and signage will be used to direct traffic.
Apache Road: There are detours off Apache and traffic redirected, with access restricted to local traffic only from Apache Court to Pawnee Drive during a water main replacement that’s to last through Oct. 14.
88th Street: Paving on 88th was completed in mid-August, and the street is now open to vehicular traffic. The final sections of trail along the east side are now complete. Cleanup work is underway along with installation of final signing and pavement markings. Final grading and landscape restoration will follow. During this period there may be periodic lane closures or bike lane obstructions. This is still a construction zone and signed as 25 mph with fines doubled. Motorists are advised to observe work zone traffic control devices. Bicyclists may need to merge with traffic as directed by “Bikes Merge With Traffic” signs. Pedestrian access is limited to the west side until final grading and landscape restoration is complete. The project should wrap up later this month.
Jay and Jasper roads: Portions of Jay and Jasper roads are closed between North 119th Street and County Line Road for road work (trenching, milling, asphalt paving). The contractor expects the work to take four weeks, weather permitting. During the 8 a.m. to 5 p.m. hours through Sept.. 25, motorists can expect a single lane closure on Jay and Jasper. The roadway will be accessible with one lane of travel. In a second phase that’s to begin Sept. 28 and last through Oct. 9, in the evening hours, motorists can expect a full closure of Jay and Jasper roads. Access will granted to residential traffic only. Detours are encouraged at Kenosha Road and Erie Parkway from North 119th Street.