Civil Engineering – Chapter 5 (Transportation
Engineering) well reviewed by BRIAN FOR AN A+ GRADE
both Questions & Answers(2025-2026)
What is transportation engineering?
Branch of civil engineering dealing with planning, design, and operation
of transport systems.
What are the main modes of transportation?
Road, rail, air, water, and pipelines.
What is a highway?
A road designed for public transportation of vehicles.
What is highway engineering?
Study of design, construction, and maintenance of roads.
What is pavement?
Layered structure supporting traffic loads.
What are types of pavements?
Flexible and rigid pavements.
What is flexible pavement?
Pavement made of bituminous materials.
What is rigid pavement?
Pavement made of cement concrete.
What is subgrade?
Natural soil layer supporting pavement.
What is sub-base?
Layer between subgrade and base course.
, What is base course?
Layer that distributes loads to subgrade.
What is wearing course?
Top layer of pavement.
What is camber?
Slope provided for drainage.
What is gradient?
Slope of road surface.
What is superelevation?
Banking of road at curves.
Why is superelevation provided?
To counteract centrifugal force.
What is traffic engineering?
Study of traffic flow and control.
What is traffic volume?
Number of vehicles passing a point.
What is traffic density?
Number of vehicles per unit length.
What is traffic flow?
Movement of vehicles on road.
What is congestion?
Overcrowding of traffic.
What is intersection?
Meeting point of two roads.
What is roundabout?
Circular intersection for traffic flow.
Engineering) well reviewed by BRIAN FOR AN A+ GRADE
both Questions & Answers(2025-2026)
What is transportation engineering?
Branch of civil engineering dealing with planning, design, and operation
of transport systems.
What are the main modes of transportation?
Road, rail, air, water, and pipelines.
What is a highway?
A road designed for public transportation of vehicles.
What is highway engineering?
Study of design, construction, and maintenance of roads.
What is pavement?
Layered structure supporting traffic loads.
What are types of pavements?
Flexible and rigid pavements.
What is flexible pavement?
Pavement made of bituminous materials.
What is rigid pavement?
Pavement made of cement concrete.
What is subgrade?
Natural soil layer supporting pavement.
What is sub-base?
Layer between subgrade and base course.
, What is base course?
Layer that distributes loads to subgrade.
What is wearing course?
Top layer of pavement.
What is camber?
Slope provided for drainage.
What is gradient?
Slope of road surface.
What is superelevation?
Banking of road at curves.
Why is superelevation provided?
To counteract centrifugal force.
What is traffic engineering?
Study of traffic flow and control.
What is traffic volume?
Number of vehicles passing a point.
What is traffic density?
Number of vehicles per unit length.
What is traffic flow?
Movement of vehicles on road.
What is congestion?
Overcrowding of traffic.
What is intersection?
Meeting point of two roads.
What is roundabout?
Circular intersection for traffic flow.
