1. Highway engineering a.L Rasha jasim mohamed Al. Rasha j. mohammed
12/6/2017
a.L Rasha jasim mohamed
Al. Rasha j. mohammed

2. Lec.1 Cross section elements
What is Road?
Roads are defined as routes or paths that begin at one destination and lead to another.
Roadway: The portion of a highway, including shoulders, for vehicular use.
12/6/2017
Al. Rasha j. mohammed

3. Highway Cross Section Elements: divided in two types
12/6/2017
Traveled way (Carriage way): The portion of the roadway, for the movement of vehicles, exclusive of shoulders.
 Highway Cross Section Elements: divided in two types
Principle elements 1-
Travel Lanes Shoulders Medians
Al. Rasha j. mohammed

4. 12/6/2017
2- Secondary elements
Roadside Barriers Curbs Right of way Side slopes Cross (Side) Slope or Camber Sidewalks
Al. Rasha j. mohammed

5. 12/6/2017
Al. Rasha j. mohammed

6. 12/6/2017
Al. Rasha j. mohammed