Expect long work zones, which means delays could range up to 15 minutes. Work will start from the southern end at Lee Hill Drive and proceed north, then crews will flip around at Leftand Canyon Drive and work on milling the southbound lane. Milling of the old surface is planned to start Monday. Monday through Thursday, and is expected to last through August, weather permitting. Flaggers will be used to guide travelers safely around construction operations expect delays and use caution when passing through the zone. Motorists and cyclists can expect single-lane closures in work zones. Paving operations will include milling of old road surface and adding a layer of new asphalt. Construction on each segment will take approximately one week, with the exception of Second Avenue in Niwot, which should take two to three days. 119) 73rd Street between the Diagonal and Niwot Niwot between the Diagonal and 73rd Street 63rd Street between Jay Road and the City of Boulder limits Second Avenue in Niwot and Valmont Road between Boulder Creek and 61st Street. 52 and Niwot Road Monarch Road between 79th Street and the Diagonal Highway (Colo. Annual paving operations: Work will take place in the following order: 79th Street between Colo.The project is anticipated to last into October, weather permitting. 119/Boulder Canyon Drive will be reduced to one lane from 8 a.m. 119 and will include a 4-foot shoulder in the uphill lane. The project involves the construction of five retaining walls, drainage improvements and reconstruction of approximately 2,000 feet of roadway just up from Colo. Boulder County is working on the last 2013 flood recovery-related project on Sugarloaf Road. Sugarloaf will remain open in a single-lane configuration through the work zone during all other hours.

119 and Betasso Road during the following times for the next four weeks: 9:30 a.m.

Sugarloaf Road: Due to an unsafe and confined work zone, Sugarloaf Road will need to be closed between Colo.

This is for demolition of old buildings and waterline and new sewer work.

Hill Hotel: Westbound Pleasant is open for local traffic from Broadway to the alley.

Arapahoe Road and Commerce/Eisenhower: The intersection is being completely reconstructed for a signal pole replacement.

Baseline Road: There will be a single lane closure on Baseline from 17th Street to 14th Street for a city fiber backbone project.

Construction will be 24 hours a day every day through Aug. Broadway Apartments access to Violet Avenue on 13th at Broadway will be closed - residents may use 13th at Violet to access the building. Neighborhood traffic can use 14th via Rosewood to access 13th and local businesses. Message board and construction flaggers will assist with the detour on 14th Street to Yarmouth Avenue to access Broadway.

Rosewood Avenue and 13th Street: Eastbound Rosewood at Broadway will be closed for intersection reconstruction.

The bicycle and pedestrian reroute will be to the west along Ninth Street and multiuse path. The west side sidewalk will be closed - the east side sidewalk can be used. Vehicle travel lanes will shift to existing northbound lane and bike lane.

North Broadway: Pavement will be improved to concrete and buffered bike lanes installed.

Northbound bus stop on 30th (BOUND) closed board at next stop.

Use temporary crossings at 30th/Euclid Avenue and Colorado west of the intersection. Sidewalk detours where noted (southeast quadrant sidewalks closed). 30th Street and Colorado Avenue Underpass Project: Left turns will be restricted westbound, eastbound and southbound for underpass construction.

Merlin project upgrade