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A few isolated road closures will join the list of ongoing road projects throughout Sonoma County, including a two-night closure at the Lakeville Highway/101 intersection in Petaluma, a Sunday morning closure in Sonoma and along the Carneros Highway to Napa, a few chip seal projects and extra police attention on Santa Rosa’s most collision-prone intersection.

In Petaluma, the Lakeville Highway (State Route 116) will be closed Thursday and Friday nights, July 18 and 19, at the Highway 101 interchange while Caltrans contractors install a temporary structure to support the bridge during upcoming construction. Motorists should detour to Caulfield Land and South McDowell Blvd. Hours of the closure are 10 p.m. Thursday to 5 a.m. Friday, and 10 p.m. Friday to 6 a.m. Saturday.

In Sonoma, expect road closures between 6 and 11 a.m. Sunday, July 21, as more than 3,000 runners and race walkers participate in the Napa to Sonoma Wine Country Half Marathon. The race begins at 7 a.m. at the Cuvaison and Domaine Carneros Estate wineries on Highway 121 near Duhig Road and travels 13.1 miles through the back roads of Carneros Valley, eventually finishing in Sonoma Plaza. Roads that will have closures or rolling closures include Duhig Road, Ramal Road, Los Carneros Road, Dale Avenue, Burndale Road, Old Burndale Road, Highway 121, Napa Road, Denmark Road, Eighth Street East, MacArthur Road and Browaday. Napa Street in front of the plaza will be closed 7:30-11 a.m. A full list of times and closures is included below.

In Santa Rosa, police will be monitoring the city’s most collision-prone intersection, Stony Point Road at Sebastopol Road, which  last year had 16 collisions. As part of a weekly Monday through Friday special enforcement program, Officer Jeff Adams says officers particularly will be looking for drivers not wearing seat belts, who are illegally using cellphones, are speeding, running red lights or committing lane violations. Each week, the officers pick one of the city’s top 25 collision-troubled intersections to monitor. To read about the city’s other top intersections for collisions, CLICK HERE.

 

Other projects throughout the county include these, reported by Rob Silva, road department operations manager:

Calistoga Road – Plum Ranch Road to Porter Creek Road, contractor will be doing pavement and base repairs 7 a.m.-5 p.m. daily in preparation of overlay. One-lane traffic controls, expect up to 30 minute delays.

Porter Creek Bridge replacement project on Porter Creek Road, 1000 feet west of Franz Valley Road. Contractor will continue drilling piles for new bridge footing and old structure excavation, Monday through Friday 7 a.m. to 7 p.m. Road closures of up to 30 minutes will cause traffic delays of 45–60 minutes.

Chip seal pavement preservations: Continuing 7 a.m.-5 p.m. Monday-Thursday for the next week, county road crews will be applying a chip seal pavement preservation surface.  The entire lengths of the following routes will be chip sealed and initially swept in one day. A second sweeping will follow the next day. Considerable traffic delays can be expected, with one- lane traffic controls. Pilot vehicles will escort traffic through the work zone. The following day, each road will receive a second sweeping, causing further delays.

Monday, July 15: Chip Seal Armstrong Woods Road from Sweetwater Springs Road to State Park.  Second sweeping of Bloomfield Road.

Tuesday July 16: Chip Seal Bennett Valley Road from Grange Road to Old Bennett Ridge, 2.89 miles. Second sweeping of Armstrong Woods Road.

Wednesday July 17: Chip Seal Adobe Canyon Road from Hwy. 12 to State Park, 2.32 miles. Second sweeping Armstrong Woods Road.

Thursday July 18: Chip Seal London Ranch Road from Arnold Drive to State Park, 1.14 miles. Second sweeping Adobe Canyon Road.

Reader Janet H. wrote to ask about a project on Wallace Road near Santa Rosa that began on Monday with 30 minute delays. Transportation and Public Works spokesman Tom O’Kane said, “We had a severe erosion problem at the bridge that we are shoring up Monday. It has taken a while to obtain the environmental permit to make the repair. We anticipate completing most of it Monday.”

Napa Sonoma Half Marathon closures are as follows:

6-7:15am — Hwy 121 near Duhig Rd – Expect Delays

7-7:30am — Duhig Rd to Ramal Rd. at Los Carneros Rd – CLOSED

7-8:45am — Ramal Rd from Los Carneros Rd to Dale Ave – Rolling Closure

7:30-8:55am — Dale Ave. – CLOSED

7:35-9am — Burndale Rd. from Dale Ave. to Old Burndale Rd. – Rolling Closure

7:30-9am — Hwy 121 at Burndale with CHP traffic enforcement – Expect Delays

7:40-9:30am — Burndale Rd. (northbound) to Old Burndale at Napa Rd. – Rolling Closure

7:40-9:40am — Napa Rd at Old Burndale and Denmark Rd. – Expect Delays

7:50-10am — Denmark Rd from Napa Rd to 8th St. East – CLOSED

7:50-10am — Denmark Rd from 8th St. East to SVHS – Rolling Closure

7:55-10:10am — MacArthur Rd from 1st St to Broadway – Only access into MacArthur Place

8-10:45am — Broadway from MacArthur Rd into Sonoma Plaza Northbound and parking lane closed

7:30-11am — Napa St. between First St. East and Plaza – CLOSED

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Follow the Road Warrior on Twitter at @PDRoadWarrior.

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