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2.01 Signs Signals Markings & Speed Limits
Traffic signs have three purposes: Regulate traffic, movement, or parking Warn of potential dangers or road conditions Guide and provide information Instructor preparation notes Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
Regulatory Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
Regulatory Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
Warning Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
Guide Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
Regulatory, Warning, or Guide? Red? Green? Regulatory Guide Yellow? Blue? Guide Warning Optic Yellow? White? Warning Regulatory Orange? Brown? Guide Warning Revised 7-07
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Unless otherwise posted…
2.01 Signs Signals Markings & Speed Limits Unless otherwise posted… Narrow Residential (18 feet)? 15 mph Residential Street? 25 mph Business District? 20 mph Alley? Revised 7-07
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Unless otherwise posted…
2.01 Signs Signals Markings & Speed Limits Unless otherwise posted… County Roads? 55 mph Public Parks? 25 mph State Highways? Interstate (Freeway)? Varies 55-70 mph 55 mph – all other roads and highways not meeting other definitions. Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
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 Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
What is the meaning of… Solid Red? Stop is required Flashing Red? Stop, proceed only when clear Red Arrow? Right turn permitted only when clear Revised 7-07
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2.01 Signs Signals Markings & Speed Limits
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 Revised 7-07
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What is the meaning of… Green Ball? Green Arrows?
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)
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Smarter Highway Symbols
2.01 Signs Signals Markings & Speed Limits Smarter Highway Symbols Lane use signals Ramp Metering Road Sensors Traffic Light Stop Here on Red Proceed on Green Revised 7-07
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Line-of-Sight, Path-of-Travel Clues Open, Closed, or Unstable?
2.01 Signs Signals Markings & Speed Limits Line-of-Sight, Path-of-Travel Clues Open, Closed, or Unstable? Closed Open Closed Closed Closed Detour= Closed Zone – Path is blocked cannot occupy that space Limited Sight Distance = Closed zone – LOS is blocked Yield = Closed Zone – Path temporarily blocked Green Arrow Lane Open = Open Zone path is not blocked Do Not Enter = Closed Zone – path is permanently blocked Railroad Crossing = Closed or Unstable Zone – Danger, may be a train. Tracks on raised grade can be treated as closed / slow Pavement Marking Arrow and Stop = Closed Zone – path temp blocked Right Lane Ends = Closed Zone – path is permanently blocked Pedestrian Crossing = Unstable Zone – Danger, may be pedestrians Tractors ahead = Unstable Zone – Danger, may be slow moving tractor Closed Unstable Closed or Unstable Closed Unstable Revised 7-07
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