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Basic speed law
Law stating that you may not drive faster than is safe and prudent for existing conditions, regardless of posted speed limits.
signal, usually overhead, that tells whether a lane can or cannot be used at a specific time
signal used at heavy traffic intersections that tells pedestrians whether they should walk or wait
Shared left-turn lane
lane on a busy street that helps drivers make safer mid-block left turns into business areas from a center lane
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