Originally Posted by bhchdh

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Agreed, and from the link you provide in an earlier post:

At 11 feet from the curb, a bicyclist riding through the center of the Sharrows symbol rides clear of any doors that may open. According to the CAMUTCD, Sharrows are intended to do 5 things:
Reduce the chance of bicyclistsimpacting open doors of parked vehicles on a shared roadway with on-street parallel parking
Assist bicyclists in lanes that are too narrow for a motor vehicle and a bicycle to travel side by side within the same traffic lane
Alert road users of the lateral location bicyclists are likely to occupy within the traveled way
Encourage safe passing of bicyclists by motorists
Reduce the incidence of wrong-way bicycling