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The existing conditions have some way-too-wide traffic lanes and a very wide median.
Bike Lane Proposal
Every lane has 11 feet of width, but the bike lanes are right in the way of people opening doors or making unsafe left turns.
Protected Bike Lane Proposal
This plan does narrow the median a bit, but in return the bicycle lanes are protected from traffic by both parked cars and a three-foot barrier. Traffic lanes can maintain their 11-foot width, if this is legally important (as it sometimes is).