Active Transportation Plan - City of Pomona

Pomona Active Transportation Plan
November 2012
Chapter 8 – Bicycle and Pedestrian Design Guidelines
Treatments at Highway Interchanges. Bicycling and walking routes at highway interchanges require
special treatment to ensure the safety and comfort for all road users. Fast moving traffic, highway on and
off-ramps and wide travel lanes make interchanges difficult areas for bicyclists and pedestrians to
navigate. The guidance below can be used for retrofit projects or new interchange designs:
• Travel lanes should be reduced from 12 feet to 10 or 11 feet to slow motor vehicle speeds and
provide additional space for bicycling lanes and sidewalks
• Class II bicycling lanes should be striped continuously across overpasses and underpasses
wherever feasible
• Minimize distances in which bicyclists are required to travel between two moving traffic lanes
• Use skip stripes to delineate bicycling path travel through conflict zones
• Consider colored bicycling lanes in conflict areas
• Avoid high-speed, uncontrolled movements. A tight diamond configuration with square off and
on-ramps to encourage slower motor vehicle speeds and is recommended
• Avoid multiple right-turn lanes on cross-street. Dedicated right-turn lanes create a conflict for
cyclists traveling through an intersection that must cross the right-turn lane to continue to ride
straight. Where possible, retain single right-turn lanes, even if greater than 200 feet. Where
possible, avoid right-turn lanes longer than 200 feet.
Treatments at Bridges and Tunnels. Bicycling connections to bridges and
tunnels require special treatment to ensure the safety and comfort for all road
users. Fast moving traffic, transitions between the roadway and the structure
and wide travel lanes often make approaches to bridges and tunnels difficult
areas for bicyclists and pedestrians to navigate. Appropriate measures to
improve bicycling safety at bridge and tunnel approaches include:
• Reduce travel lanes from 12 feet to 10 or 11 feet to slow motor vehicle
speeds and provide additional space for bicycling lanes and sidewalks
• Stripe Class II bicycling lanes continuously across bridges and through
tunnels wherever feasible
• Minimize distances in which bicyclists are required to travel between two moving traffic lanes
• Use skip stripes to delineate bicycling path travel through conflict zones
• Consider colored bicycling lanes in conflict areas
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