The Oregon Department of Transportation has announced further details of traffic disruption caused by highway work this summer.

ODOT has corrected the signal timing problem at the intersection of U.S. Highway 101 and Oregon 202 at Smith Point that led to earlier traffic jams. The agency is building a roundabout at the intersection, in part to accommodate expected heavy traffic during the Lewis and Clark Bicentennial.

Drivers should expect moderate to severe delays during peak travel times. Drawbridge openings and accidents on the Youngs Bay Bridge or U.S. 101 will continue to worsen delays caused by the roundabout construction.

If possible, "go another time, go another way, or just don't go," officials say. If you must drive through the construction zone, drive carefully and make sure your vehicle is ready for the trip. ODOT says the No. 1 thing motorists can do to ease traffic jams in the area is to avoid having an accident or vehicle breakdown.

The Old Youngs Bay Bridge is closed to all highway traffic through July 19. Grout has been applied to the newly installed deck and must cure undisturbed before an epoxy paving can be applied to the bridge deck. Other upcoming work includes installing a pedestrian walkway.

The bridge will be closed 24 hours through July 19. It will be closed 6 to 10 p.m. between July 20 and Aug. 30. It is closed to all marine traffic until Wednesday.

ODOT says to expect minor traffic delays for evening and nighttime work at U.S. Highway 30 and U.S. 101. The contractor is installing electrical conduit during the week. From Tuesday through July 31, some area side streets along U.S. 30 will close intermittently during weekdays for drilling of test holes. The test holes will help determine the foundations needed for new traffic signal poles to be installed next year.

Drilling will happen on Eighth, Ninth, 11th, 12th and 14th streets. These side streets will be closed for one to two days, and only during the week. All drilling will be scheduled to avoid conflicts with other construction work and to minimize the impact to local traffic.

At the U.S. 101 Cannon Beach north entrance, ODOT advises drivers to expect minor delays and occasional lane closures. The contractor continues to work on the southbound off-ramp at the north entrance and on culvert installation. The north entrance to Cannon Beach will be closed to all traffic beginning July 28. Drivers should watch for bicyclists on the roadway through the construction area.

Drivers also can expect 10-minute nighttime traffic delays for culvert and guardrail installation at U.S. 30 from the Clatsop County Line to the Supply Creek Pavement Overlay (Milepost 69.95 to 79.5).

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