Effect of Countdown Timer on Acceleration-Deceleration Rates of Different Vehicle Types at Signalized Intersections

DOI

10.2991/978-94-6463-662-8_20How to use a DOI?

Keywords

Acceleration Rate; Deceleration Rate; Vehicle Types; Countdown Timer; Non-lane Disciplined Traffic Conditions

Abstract

This research work tried to compute the impact of countdown timer on vehicle acceleration and deceleration rates of different vehicle types at signal controlled intersections under non-lane disciplined traffic conditions. For the present research work, eight approaches of two different signalized intersections with countdown timer were selected from Hyderabad city. The data required for the present study was collected, from all the study approaches both during the absence and presence of countdown timer, by switching off the countdown timer with traffic police permission. In the present research work, the acceleration and deceleration models were proposed for both without and with countdown timer conditions, for different vehicle categories: Two-Wheeler (TW), Three-Wheeler (3W), car, Light Commercial Vehicle (LCV), and Heavy Vehicle (HV). The result showed that, the acceleration and deceleration rates of vehicles were decreased when the countdown timer is absent, compared to with timer condition. The acceleration rates of two-wheeler, three-wheeler, car, LCV, and HV were reduced by 10.68%, 6.21%, 10.19%, 4.30%, and 8.33% respectively, and deceleration rates were reduced by 5.04%, 7.36%, 7.12%, 7.45%, and 3.50% respectively, due to the absence of timer compared to with timer condition.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Ramireddy Sushmitha
AU  - B. Varalakshmi
AU  - M. Hemanth Kumar
AU  - Seelam Srikanth
PY  - 2025
DA  - 2025/03/17
TI  - Effect of Countdown Timer on Acceleration-Deceleration Rates of Different Vehicle Types at Signalized Intersections
BT  - Proceedings of the International Conference on Advanced Materials, Manufacturing and Sustainable Development (ICAMMSD 2024)
PB  - Atlantis Press
SP  - 240
EP  - 253
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-662-8_20
DO  - 10.2991/978-94-6463-662-8_20
ID  - Sushmitha2025
ER  -