Friday, March 12, 2010

Flashing Yellow Arrow Signals Construction

Construction has begun on the ARRA stimulus-funded project to install ‘flashing yellow arrow’ left turn signals at many intersections throughout Tigard. These signals show a flashing yellow arrow allowing drivers to turn left when there are gaps in opposing traffic and no pedestrians in the crosswalk. Drivers were previously stuck waiting at a red arrow.

The contractor has begun installation of these signals on 72nd Avenue, and will be moving to Durham Road next. When they are working on a particular intersection, they will need to close the left turn lane at that intersection for a few hours, which will result in some traffic delays during the installation. This project will include some signals on Pacific Hwy 99W, which will be installed at night to minimize traffic disruption.

Once the contractor finishes installing the signal hardware, it will take a few weeks to reprogram the signal timing before the flashing yellow arrows will be turned on. We are looking forward to spending less time waiting at red arrows, while still keeping a good level of safety.

The intersections are:
Major Street Cross Street
72nd Ave Upper Boones Ferry Rd (northern)
72nd Ave Upper Boones Ferry Rd (southern)
72nd Ave Hampton St
72nd Ave Park and Ride / Bridgeport Village
Dartmouth St Costco Driveway
Durham Rd Summerfield Dr
Durham Rd 92nd Ave
Durham Rd Hall Blvd / 85th Ave
Durham Rd Upper Boones Ferry Rd
Greenburg Rd Tiedeman Ave
Greenburg Rd Cascade Ave
Hall Blvd McDonald St
Hall Blvd Bonita Rd
Hall Blvd Oak St
Hall Blvd Sattler St / Ross St
Main St Scoffins St
Pacific Hwy 99W Main St / Johnson St
Pacific Hwy 99W Walnut St
Pacific Hwy 99W Park St
Pacific Hwy 99W Shopping Center Driveway
Pacific Hwy 99W Canterbury Ln
Pacific Hwy 99W Gaarde St / McDonald St
Walnut St 121st Ave

For more information, please visit our website at:, contact Tigard Senior Project Engineer Mike McCarthy at 503-718-2462 or, or Washington County Lead Inspector Nancy Newcomb at 503-969-2716 for site-specific construction issues.

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