Highways and Airports Engineering Project

Lecture 2Highway Signs and Markings

Cairo UniversityFaculty of EngineeringPublic Works Department

Dr. Dalia Said dalia_said@yahoo.com February 2013

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:

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

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.

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...

Highway Signs and Markings 6

EXAMPLE

Highway Signs and Markings 7

EXAMPLE

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

Highway Signs and Markings 9

EXAMPLE

Highway Signs and Markings 10

EXAMPLE

Highway Signs and Markings 11

Location of Signs

Highway Signs and Markings 12

Location of Signs

Highway Signs and Markings 13

Location of Signs

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.

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.

Highway Signs and Markings 16

Highway Signs and Markings 17

Highway Signs and Markings 18

Highway Signs and Markings 19

Highway Signs and Markings 20

EXAMPLE

http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

Highway Signs and Markings 21

EXAMPLE

http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

Highway Signs and Markings 22

EXAMPLE

http://www.mhd.state.ma.us/downloads/I_95add_lane/75Plans_PMarkings.pdf

Highway Signs and Markings 23

EXAMPLE

Highway Signs and Markings 247.

2 m

(T

YP.

)

EXAMPLE

5.5

m

(TY

P.)

2.75 m (TYP.)

Other signs?

Highway Signs and Markings 25

Special Parking Spaces : Disabled Spaces

http://www.ada.gov/regs2010/smallbusiness/smallbusprimer2010.htm

Highway Signs and Markings 26

EXAMPLE