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Criteria For Realignment of Street Markings

In order to operate, a cyclist requires essential lateral space of 1 meter. Another .5 meters is required for comfortable lateral space[1] . A shared car parking/bike lane could be considered if the following additional lateral dimensions are taken into account:

Essential lateral space requirements for a parked car is 2.1 meters and a comfortable lateral car parking space is 2.4 meters[2]

A 0.20 meter wide lane-stripe is recommended for shared roadways.[3]

Additional pavement marking of the same width should extend from parking space markings to separate bikeway road space from the rest of the lane.

Total optimal lateral space requirements for a shared parking/ bikeway lane is 4.3 meters from the curb. Total minimal lateral requirements for the same space is 3.5 meters.

Optimal lane requirements

Essential lane requirements

Typical mid-block cross section of Brunswick Street between Duke and Sackville Streets before lane re-alignment for bicycles.

Parking and two southbound auto lanes - Two northbound auto lanes and parking   

Typical mid-block cross section of the proposed Brunswick Street re-alignment between Duke and Sackville Streets

Parking, bike lane, two southbound auto lanes, one northbound auto lane, bike lane, parking

[1] Recommended by Velo Quebec’s Handbook of Bikeway Design.

[2]Recommended by the 1992 Oregon Bicycle Plan

[3] Ibid. 13.4