Signs, Signals, and Lane Markings

Three types of traffic control devices. Signs Signals Lane Markings

Signs

Signs identified in two ways: Color Shape

Signs (cont.) Signs come in ____ colors.eight

Sign COLORS Red Green Orange Yellow -stop, yield, or prohibitory (regulatory) - guide or direction - warning - construction

Sign COLORS (cont.) Blue Brown Black White - motorist services - parks and recreation - regulatory

Sign SHAPES Stop signWarning YieldRegulatory School zone Guide

Sign SHAPES (cont.) Railroad Ahead At Railroad Crossing Do not enter No passing

Route Signs PA State route U.S. Highway U.S. Interstate / Turnpike

Route Signs (cont.) Even numbers =East / West routes Odd numbers =North / South routes

Bypass vs. Spur Three digit Interstate numbers indicate Bypass or Spur.

Bypass vs. Spur (cont.) Bypass I-495 – The 4 (even) indicates connects to interstate twice. I-495 – The 95 indicates which interstate. I-95I-495

Bypass vs. Spur (cont.1) Spur I-395 – The 3 (odd) indicates connects to interstate once. I-395 – The 95 indicates which interstate. I-95I-395 U.S. 55

Guide Signs Guide signs give a variety of information: Distance Exits Directions

Guide Signs (cont.) Guide signs give a variety of information: Street names Left exit / Must exit

Signals

Signal Boxes Multiple- Single- Can change color Can’t change color

Cluster Light—gives multiple directions

Signals Signals identified in three ways: Color Shape Solid / Flashing

Signal COLORS Red- Green- Yellow- Stop Prepare to stop (action) Proceed with caution (thinking)

Signal SHAPES Circle- Applies to ALL directions Arrow- Applies ONLY to direction of arrow

FLASHING SIGNALS have different meanings Red- Green- Yellow- Stop, proceed with caution Proceed with caution

FLASHING Signals have different meanings (cont) Yellow flashing arrows have dual meanings. Multiple Box – Yield right of way Single Box – Proceed with caution

Right Turn On Red You may make a right turn on red after a full and complete stop, there are no signs or signals prohibiting, and the maneuver may be done in safety.

Right Turn On Red (cont.) What prohibits a Right Turn On Red? Red arrow (signal) No turn on red sign (sign)

Right Turn on Red vs. Yield Is there a channel (island) or not? Yes = Yield No = Right Turn on Red

Right Turn on Red vs. Yield (cont. 2) What is a channel (island)? Triangle that separate right turn from traffic signal. White Paint Concrete White Paint / Concrete

Right Turn on Red vs. Yield (cont. 3) Which is a Right Turn on Red? 12

Making Left Turns Two types of left turns: Protected Unprotected

Making Unprotected Left Turns Unprotected Must yield to oncoming traffic When is it an unprotected left turn? No signal Green circle

Making Protected Left Turns Protected You have Right of Way (cautiously) When is it a protected left turn? Green arrow

Making Left Turns On Red Making a left turn on red You may make a left turn on red from a one-way street to a one-way street, under the same conditions as right on red, and from the furthest left hand lane. NO TWO WAY STREETS!!!!

Lane Markings

Lane markings identified in two ways: Color Shape

Lane Marking COLORS Yellow-two way traffic (left side of car) White-one way traffic

Lane Marking SHAPES Solid Dashed Dotted

Lane Marking SHAPES (cont.) Solid Yellow- Do not cross White-Single - Recommended do not cross Double - Do not cross

Lane Marking SHAPES (cont. 1) Dashed Can cross Yellow- May pass if on your side of center line. White – Creates lanes.

Lane Marking SHAPES (cont. 2) Dotted Can cross Found in: -Merge areas -Intersections as guide lines for turning traffic