Understanding Traffic Signs: Regulations, Warnings, and Guidance
Traffic signs serve to regulate traffic, warn of potential hazards, and provide guidance to drivers. They come in various shapes and colors indicating specific instructions like speed limits or upcoming hazards. This collection covers the meanings of different sign categories, speed limits, railroad crossing warnings, and the significance of various signal colors like red, yellow, and green.
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Presentation Transcript
Traffic signs have three purposes: Regulate traffic, movement, or parking Warn of potential dangers or road conditions Guide and provide information 1
Warning 4
Guide 5
Regulatory, Warning, or Guide? Green? Guide Red? Regulatory Blue? Guide Yellow? Warning Optic Yellow? Warning White? Regulatory Brown? Guide Orange? Warning 6
Unless otherwise posted Residential Street? 25 mph Business District? 25 mph Schools? 20 mph Gravel, dirt or loose surface roads? 55 mph 7
Unless otherwise posted Rural paved 2-lane highways? 65 mph Paved and divided multi- lane highways? 70 mph Interstate? 75 mph 8
Railroad Crossing Warnings RR sign or RR painted on the pavement are advanced warning signs. Crossbucks are regulatory signs. Drivers must yield! Flashing red lights Bells Gates If you hear or see a train 9
What is the meaning of Solid Red? Stop is required Flashing Red? Stop, proceed only when clear Red Arrow? Stop is required Right turn permitted only when clear 10
What is the meaning of Steady Yellow? Warns a red will follow Flashing Yellow? Caution Flashing Yellow Arrow? Unprotected turn! Yield to oncoming traffic and pedestrians Proceed only when clear 11
What is the meaning of Green Ball? Proceed (look LFR first) Unprotected turn: Yield to oncoming traffic and pedestrians before turning left Green Arrows? Proceed without yielding Protected turn (look LFR first) 12
Line-of-Sight, Path-of-Travel Clues Open, Closed, or Unstable? Closed Open Closed Closed Closed Closed Unstable Closed or Unstable Closed Unstable 14
