1. Unit 2: Signs, Signals, and Roadway Markings
NV Driver Education Curriculum
Unit 2: Signs, Signals, and Roadway Markings
Presentation 3 of 3

2. Roadway Markings Warn, regulate, and inform
lines, words, or symbols on the road
Marking are white and yellow
May be reflective
Type of lines have meaning
Solid and Broken
Carpool image from:
Center turn image from:
Bike image from:
Arrows image from:
Retrieved: 12/28/09

3. Two Colors of Lines
White lines separate traffic lanes traveling in the same direction
Yellow lines separate traffic lanes traveling in opposite directions
General rule:
Broken lines can be crossed and solid lines cannot (exception when making a turn)
Image from:
Retrieved: 12/30/09

4. Yellow lines separate traffic lanes traveling in opposite directions
Single, broken yellow line indicates may pass when safe
Images from:
Retrieved: 12/28/09
Single, solid yellow line indicates that passing is not allowed

5. Single Lane Roads
Two-way traffic Yellow center line may be single, double, solid, or broken (dashed)
You may pass when there is a broken line on your side of the road
You may not pass when there is a solid line on your side of the road

6. White Lines
White lines separate traffic lanes traveling in the same direction
Broken (dashed) white lines may be crossed when changing lanes
Solid white line are used in several ways, including marking edge of road. May not cross, with few exceptions:
Immediate right turns (no more than 200ft prior)
Enter or exit HOV lane

7. Solid White Lines Video
See LVPD Video
Crossing Solid White Line
(0:31)
Click on web address to access video clips
*Suggest full screen viewing
NOTE: some on YouTube, check access
Always preview video before showing to students
Check content
Check availability

8. Center Lanes Shared left-turn lane May not be used for passing
May not travel more than 200ft before turning left
May not travel more than 50ft after turning left before merging with traffic

9. White Arrows White arrows indicate a turn lane
If marked “ONLY” you must obey direction
When marked with a curve and straight arrow, you may turn or continue forward

10. Reversible Lanes
Reversible lanes are used to improve traffic flow during rush hours
Marked by two broken yellow lines
Changes direction of travel within lane
Overhead signals indicate availability
RED “X” – Lane is closed in this direction. Never drive in this lane.
YELLOW “X” – Lane signal is going to change. Exit the lane safely before the red “X” appears
GREEN ARROW – Lane may be used.

11. High-Occupancy Vehicle (HOV) Lane
High-Occupancy Vehicle (HOV) lanes are restricted for vehicles with two or more people
Designed by a diamond-shape symbol
May have restricted hours
Sign images from:
Street image from:
Retrieved: 12/30/09

12. See Nevada RTC&DOT video
HOV Lanes Video
See Nevada RTC&DOT video
HOV Lanes in Las Vegas
(2:43)
Click on web address to access video clips
*Suggest full screen viewing
NOTE: some on YouTube, check access
Always preview video before showing to students
Check content
Check availability

13. Highway Ramps
Highway ramps use solid white lines to indicate it is dangerous and illegal to cross
Called the gore area: area between the edge of the highway and the edge of the ramp meet
May include angled or diagonal lines
Highway images from:
Signs image from:
Retrieved: 12/31/09

14. Stop Lines and Crosswalks
Stop lines are wide white lines where you must stop before entering an intersection or railroad crossing Crosswalks are areas for pedestrians (in front of stop lines) and may include two parallel or diagonal lines.
Stop sign image from:
Cross walk image from:
Railroad image from:
Retrieved: 12/30/09

15. Special Lanes Bike lanes Bus lanes Designated by striping and signing
If line is broken may cross if clear
Bus lanes
Used to speed up public transport
Some cities may allow taxis
May have time designations
Bike image from:
Bus image from:
Signs image from:
Retrieved: 12/31/09

16. Raised Pavement Markers
Reflective Markers (may or may not be raised) like white and yellow lines - mark lanes of travel
White markers used between lanes or edge of road
Red markers warn drivers going the wrong direction
Yellow markers found on left edge of expressways
Blue markers identify the location of a fire hydrant
Marker images from:
Road image from:
Hydrant image from:
Retrieved: 12/31/09

17. Other Pavement Markings
Rumble strips
Grooved or corrugated roadway, causes vibration and loud noise when drive over
Speed bumps and dips
Used to slow traffic speed
Should drive slowly over bumps and through dips
Car rumble image from:
Center line rumble image from:
Bump image from:
Signs image from:
Retrieved: 12/31/09

18. Other Roadway Markings
Lines, words, and symbols found on the pavement
Railroad image from:
School image from:
Handicapped image from:
Stop image from:
Signs image from:
Retrieved: 12/31/09

19. Did You Know
Both Michigan (1911) and California (1917) claim to be the first to develop center road lines.
White center lines were used in the U.S. until 1971, when yellow became the mandated standard.
White lines image from:
Yellow lines image from:
Retrieved: 12/28/09
White center lines are used in Canada, Great Britain, and many other countries.