Green roadway boxes aim to make downtown Boise bicyclists more visible

April 30, 2014 

Green-painted boxes at intersections will give bicyclists a place to wait before proceeding and position them in front of stopped cars to prevent turning conflicts.

The first new lane boxes were installed Monday evening on Capitol Boulevard at Myrtle Street and River Street. The painted box at Myrtle Street is for bicyclists continuing straight on Capitol while the River Street lane positions bicycles in front of traffic to make a left turn.

Additional green bike boxes will be installed on Capitol at Idaho Street, at seven intersections on Idaho between First and 16th streets and at eight intersections on Main Street between First and 14th streets.

The changes are being made as part of the bike lane demonstration project, which will convert one traffic lane to a buffered bicycle lane on Capitol, Main and Idaho streets. The pilot project begins Thursday and will run for at least a month.

The boxes are patterned after systems used extensively in Portland, Chicago and New York City to reduce collisions between cars and bikes.

Motorists who approach a green box on a yellow or red light are to stop behind the white line at the start of the box. Don't stop on top of the box. No right turns will be permitted at those intersections on a red light.

When the light turns green, bicyclists have the right of way to move forward first, followed by motor vehicles.

Additional information can be found online at the Ada County Highway District's website at

Beginning Thursday, the public can provide feedback on the pilot project by taking an online survey at Besides the public opinion, ACHD will also measure traffic congestion, trip delays, use of the new lanes by cyclists, and gather feedback from the city of Boise, the Capital City Development Corporation, downtown businesses and other interested parties.

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