UNIT – I
Road Accidents: Causes, scientific investigations and data collection, Analysis of individual accidents to
arrive at real causes, statistical methods of analysis of accident data, Basic concepts of Road accident
statistics, Safety performance function: The empirical Bayes method Identification of Hazards road location.
Application of computer analysis of accident data.
UNIT – II
Safety in Road Design: Operating the road network for safety, highway operation and counter measures,
road safety audit, principles-procedures and practice, code of good practice and checklists, vehicle design
factors & Driver characteristics influencing road safety.
UNIT – III
Road Signs and Traffic Signals: Classification, Location of Signs, measures of sign effectiveness, Types
of visual perception, sign regulations, sign visibility, sign variables, Text versus symbols. Road Marking:
Role of Road markings, Classification, visibility. Traffic Signals: Need, Signal face. Illumination and
location of Signals, Factors affecting signal design, pedestrians’ safety, fixed and vehicle actuated signals.
Design of signa1s, Area Traffic control. Delineators, Traffic Impact Attenuators, Road side rest areas,
Safety Barriers, Traffic Aid Posts.
UNIT – IV
Traffic Management Techniques: Integrated safety improvement and Traffic Calming Schemes, Speed
and load limit, Traffic lights, Safety cameras, Tests on driver and vehicles, pedestrian safety issues, Parking,
Parking enforcement and its influence on Accidents. Travel Demand Management; Methods of Traffic
management measures: Restriction of Turning Movements, One-way streets, Tidal Flow Operation
Methods, Exclusive Bus Lanes and Closing Side-streets; Latest tools and techniques used for Road safety
and traffic management. Road safety issues and various measures for road safety; Legislation, Enforcement,
Education and Propaganda, Air quality, Noise and Energy Impacts; Cost of Road Accidents.
UNIT – V
Incident Management: Introduction, Characteristics of Traffic Incidents, Types of Incidents, Impacts,
Incident management process, Incident traffic management; Applications of ITS: Motorist information,
Equipment used; Planning effective Incident management program, Best practice in Incident management programs. National importance of survival of Transportation systems during and after all natural disasters
especially cyclones, earthquakes, floods etc. and manmade disasters like sabotage, terrorism etc.
Suggested Readings:
1.Guidelines on Design and Installation of Road Traffic Signals, IRC:93.
2.Specification for Road Traffic Signals, IS: 7537-1974.
3.Principles and Practice of Highway Engineering by L.R. Kadiyali and N.B. Lal.
4.Hand Book of T.E. Myer Kutz, Editor McGraw Hill, 2004.