3 types of Traffic Control devices… These help guide and control the flow of traffic 1. Signs: These are placed on the sides of the road to inform th...
3 types of Traffic Control devices… These help guide and control the flow of traffic 1. Signs: These are placed on the sides of the road to inform the motorist. 2. Signals - usually placed at busy intersections to help keep traffic moving. 3. Pavement Markings: They mark where a motorist should be on the road.
Traffic Police Officer In heavy traffic or emergency situations without traffic control devices, there will be a police officer to control traffic. When there are no signals and no police officers, treat it as a 4 way stop sign.
2. TRAFFIC SIGNALS 1. Vertically – When held vertically, the colors are red, yellow, and green, from top to bottom
2. Horizontally: The colors are red, yellow, and green from left to right when held horizontally.
Traffic Signals Stop Stop if safe Go if safe
Traffic Signals
Red Light: Stop
Yellow: Motorist has chance to stop safely
Green: Proceed through intersection, yield to pedestrians still in intersection
Green Arrow: Proceed only as shown in arrow, be cautious or pedestrians
Traffic Signals The Meaning of the colors: Green Arrow – Proceed
only as shown by the arrow. Flashing Yellow Light – Slowly proceed with caution. Flashing Red Light – Stop, yield to traffic and pedestrian, and go only when safe. Unlit Signal – Treat it as a 4way stop sign.
Orange, Steady Raised-Palm Symbol – Pedestrians must stop at the end of the sidewalk and must not enter the roadway when facing the light. White, Steady Pedestrian Silhouette/Countdown Pedestrian Sign with Steady Pedestrian Silhouette – Pedestrians facing the signal may cross the roadway.
Traffic Signs (I)…
- Signs are divided into three basic categories
• Warning –
These signs warn motorists of hazards and dangers ahead that are difficult to see
Guidance
Guidance signs guide motorists to a destination by clearly identifying the route.
• Regulatory –
Signs that regulate traffic speed and movement are called regulatory signs. • STOP, YIELD, DO NOT ENTER, etc.
Shape Meanings Octagon- Stop Sign Triangle- Yield Vertical Rectangle- Regulatory Horizontal rectangle- Guide Pennant- No passing Pentagon- School Round- railroad
• On the motorist’s side of the road means that passing is permitted where safe
White Stop Lines
• Separate traffic going the same way when there is more than one lane • Shows edges of roads
Dashed Lines
• Separate traffic going in opposite directions
White Lines
Yellow Center Lines
Road Markings • Shows where to stop at stop signs and traffic signals
Road Markings (II) •
• • • • •
Yellow Solid and Dashed Lines: Control passing. – If solid yellow line is on the motorist’s side, do not pass – Passing permitted only when dashed lines are on the motorist’s side of the road. Edge Lines: Separate the shoulder from the travel lane and show the edges of highway. White Crosswalks: Indicate pedestrian crossing areas. White Stop Lines: Show where to stop at stop signs or traffic signals White Special Markings: Show special conditions. (STOP AHEAD, SCHOOL, R X R, etc.) White Diamonds: Lanes reserved for High Occupancy Vehicle (HOV)
