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Bicycle Level of Service (BLOS) is a nationally-used measure of on-road
bicyclist comfort level as a function of a roadway’s geometry and
traffic conditions. Developed by Sprinkle Consulting, BLOS is in the
Highway Capacity Manual. Roadways with a better (lower) score are more
attractive (and usually safer) for cyclists. Also, the Pedestrian Level Of Service (PLOS) measures walking conditions.
BLOS evaluation may be useful in several ways: