Surface streets with a 35mph speed limit may not be too overly hazardous so long as you act like a car and occupy the right tire tread, though trying to ride a major highway with a 55mph limit is asking to get run over. Fortunately, many municipalities allow cyclists to claim the entire lane when needed and expect us to act like an automobile. Still, we really need barricaded lanes for cyclists that also don't have to share too closely with pedestrians. Still, it isn't unusual to find delivery trucks or cops parked in the cyclist lanes. The most hazardous practice IME is to ride the stripe along a 65mph throughput stroad. No thanks.