very usefull to all

1. TRAFFIC ENGINEERING
PRESENTED BY-
ALOK KUMAR
HOD : - Prof. RUBY ( CIVIL ENGG.)
SUBMITTED TO:-
B.TECH 3rd YEAR
(CIVIL ENGG.)
DEPARTMENT OF CIVIL ENGG.
ARYAN INSTITUTE OF TECNOLOGY (GHAZIABAD)
A PRESENTATION ON ....
GUIDED BY :- Ms. RANJANA
Ms. CRISHTEENA

2. INTRODUCTION:
o It is very important that traffic flow on
Roads should be efficient safe and rapid.
oTraffic engineering is the branch which
Deals with science of measuring traffic,
Designing and operating system to achieve
Safe and efficient movements of person
And goods.

3. oTo analyze the characteristics, traffic
studies are made, studies are as follows:
1. Speed study
2. Origin and destination
3. Parking study
4. Traffic volume study
5. Accident studies

4. TRAFFIC VOLUME STUDY:
oIt is defined as the survey of number
vehicle and pedestrians
Crossing section of road per unit during
Any selected period.

5. Purpose of study of traffic volume:
1. Establish relative importance of any road.
2. Planning, designing and regulation of
traffic.
3. Structural design of road.
4. Planning and design of new streets.
5. Establishment properties and schedules
for traffic improvements.
6. Design of intersection and other control
devices.

6.  Traffic Controlling Devices:
The arrangements or the provision made to
the road users so as to avoid accidents on the
roads and for the free and effective traffic flow
are known as traffic controlling devices.

7. Traffic controlling devices:
Generally following four devices are
provided on road to control the traffic:
1. Road signs
2. Markings
3. Signals
4. Traffic is Islands

8.  Road signs:
 Roads signs are provided to warn, direct and
guide the road users. They are in the form of
symbols or inscription. They are mounted on
fixed or portable supports and are placed on
the side of roads.

9. Further road signs are classified in
three categories:
o Regulatory or mandatory signs.
o Warning or caution signs .
o Informatory or guiding signs.

10.  Regulators or mandatory signs :
oThese signs are used to inform the road users,
certain rules and regulations which has to
notice for safe and free flow of traffic.
oSome of the regulatory signs are:
A. Give way and stop signs:

11. B. Prohibitory signs :

12. C. Speed limit and vehicle control
signs:

13. D. No parking, no stopping signs:

14.  Warning or cautionary signs:
oThese are signs used to warn road users of
certain hazardous conditions either on or
adjacent to the road ways, so that the motorist
becomes cautious and may take the desired
action.

15. The various warnings signs used are:

16.  Informatory sign :

18. MARKINGS :
• Traffic markings are the lines, patterns, words,
symbols or reflectors applied to the carriage way,
kerbs,sides of islands or to fixed objects near the road
way.
•The objects of the traffic marking is to warn , inform
and guide the road users. They are made by using
prints in contrast with colours and brightness on
pavements or other background. Ordinary paints like
oil paints are used for road markings.