VI. RESEARCH WORK DONE IN ACADEMIC INSTITUTIONS RELATED TO THESIS WORK

D. TRAFFIC AND TRANSPORTATION
1. Traffic Management on an Arterial Road Section Having Multiple Roundabouts
Date of Start

January 2006
School of Planning and Architecture, New Delhi (R)

 

Objectives

(i) To evolve a sequential approach to understand the characteristics of arterial sections with multiple as well as multi-leg roundabouts.

(ii) To study the impact of surrounding signals on the performance of the roundabouts.

(iii) To propose alternate management strategies for the study area and evaluate the same using appropriate management indicators.

(iv) To evolve appropriate management strategy for the study area so as to prioritize the flow on the corridor.

(v) To optimize the overall traffic flow on the immediate network.

 
Methodology
After formulation of the aims and objectives, primary surveys were identified. Extensive data were acquired with respect to volume counts on the various arms of the five roundabouts, the turning moment counts, the queue lengths, the network infrastructure and speed and delay on the corridor along with the surroundings network. Traffic flow was captured using camera recording techniques during the peak hour while speed and delay was done using floating car method. Thereafter the data was analyzed to establish the supply characteristics of the network, the flow characteristics including the peak, peak flows, tuning moments, the delays, queues, and the speed-flow relationships. Apart from this, the land-use and built-up plans were also collected from past studies and verified on ground. According to the flow-characteristics, the appropriate management strategies were adopted and evaluated.
 
Findings and Conclusions
(i) The major issues emerging out of the study were low reserve capacities at some of the weaving sections, high proportion of weaving traffic at some of the weaving sections, and high proportion of bus traffic coupled with insufficient weaving widths and exit angles add to the problems.

(ii) Underutilized parallel network can help relieve the traffic problems within the given corridor.