1. Highways and Airports Engineering Project Lecture 2 Highway Signs and Markings Cairo University Faculty of Engineering Public Works Department Dr. Dalia Said dalia_said@yahoo.com February 2013

2. Highway Signs and Markings 2 TRAFFIC CONTROL DEVICES Traffic signs Traffic signals Pavement markings http://mutcd.fhwa.dot.gov/pdfs/2009r1r2/pdf_index.htm REFERENCE:

3. Highway Signs and Markings 3 Function of Signs and Markings Signs and markings plays an important role in conveying messages to the road users. To be effective signs and markings should be: Simple and clear Attract attention of road users Large enough to see, understand, and react

4. Highway Signs and Markings 4 TYPES OF SIGNS 1.Regulatory Signs: for traffic laws and regulations Examples: speeds, right-of-way, turn signs, one-way signs, pedestrian signs.

5. Highway Signs and Markings 5 TYPES OF SIGNS 2.Warning Signs: Provides warnings from upcoming situations that requires attention Examples: intersections, grades, narrow roads, railroad crossings, change in horizontal alignments, entrances...

6. Highway Signs and Markings 6 EXAMPLE

7. Highway Signs and Markings 7 EXAMPLE

8. Highway Signs and Markings 8 TYPES OF SIGNS 3.Guide Signs: Provides information to road users on routes, directions, distances, services, intersecting routes, cities, towns, villages, nearby rivers and streams, parks, forests, and historical sites

9. Highway Signs and Markings 9 EXAMPLE

10. Highway Signs and Markings 10 EXAMPLE

11. Highway Signs and Markings 11 Location of Signs

12. Highway Signs and Markings 12 Location of Signs

13. Highway Signs and Markings 13 Location of Signs

14. Highway Signs and Markings 14 PAVEMENT MARKING Lines, patterns, symbols, words, colors on surface of pavement for regulating, warning, or guiding traffic. Must draw attention of road users. Must be visible at night.

15. Highway Signs and Markings 15 TYPES OF PAVEMENT MARKING 1.Longitudinal: Parallel to roadway White: separates of opposing traffic Yellow: right edge of pavement Broken lines: permissive Solid lines: restrictive Double lines: maximum restriction 2.Transverse: Across travel lanes Stop line: solid white lines Crosswalks: many indications (refer to MUTCD) Parking lanes 3.Word/Symbol on surface of pavement for regulating, warning, or guiding traffic.

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20. Highway Signs and Markings 20 EXAMPLE http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

21. Highway Signs and Markings 21 EXAMPLE http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

22. Highway Signs and Markings 22 EXAMPLE http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

23. Highway Signs and Markings 23 EXAMPLE

24. Highway Signs and Markings 24 7.2 m (TYP.) EXAMPLE 5.5 m (TYP.) 2.75 m (TYP.) Other signs?

25. Highway Signs and Markings 25 Special Parking Spaces : Disabled Spaces http://www.ada.gov/regs2010/smallbusiness/smallbusprimer2010.htm

26. Highway Signs and Markings 26 EXAMPLE