Bus bulb
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In North American English, a bus bulb is an arrangement by which a sidewalk is extended outwards for a bus stop; typically the bus bulb replaces roadway that would otherwise be part of a parking lane. With bus bulbs, a bus can stay in its traffic lane to discharge and pick up passengers, instead of having to pull over to the curb. Benefits include preventing buses from being delayed by having to pull back into traffic, reducing risk of accidents, reducing pedestrian exposure in crosswalks, reducing sidewalk congestion, providing space for bus patron amenities, traffic calming, and creating additional parking spaces. Drawbacks include delaying other vehicles that must wait behind the bus, especially on streets that provide only one traffic lane in each direction, and reducing space for bicyclists.[1]
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