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Acceleration and Deceleration Rates in Interrupted Flow Based on Empirical Digital Tachograph Data

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  • Junhyung Lee

    (Korea Institute of Civil Engineering and Building Technology, Goyang 10223, Gyeonggi, Korea)

Abstract

The acceleration and deceleration rates are crucial road design reference values in terms of traffic safety. The purpose of acceleration and deceleration lanes is to reduce the speed difference between the mainline and ramp to minimize rear-end collision. Thus, in traffic safety and traffic flow operational aspects, the acceleration and deceleration lane lengths need to be long. Moreover, excessively long minimum acceleration or deceleration lane length regulations may cause hesitancy to connect new facilities with the road. Despite their relevance, acceleration and deceleration rates have not been updated for many decades. In this study, we analyze the digital tachograph data of vehicles stopped at signalized intersections at red lights and empirically deduce the acceleration and deceleration rates that reflect recent vehicle performance and driver behavior. Finally, we suggest a new corner clearance distance to safely connect the new road near a signalized intersection in urban and rural areas derived from our empirical acceleration and deceleration rates.

Suggested Citation

  • Junhyung Lee, 2022. "Acceleration and Deceleration Rates in Interrupted Flow Based on Empirical Digital Tachograph Data," Sustainability, MDPI, vol. 14(18), pages 1-16, September.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:18:p:11165-:d:908266
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    References listed on IDEAS

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    1. R. Akcelik & D. C. Biggs, 1987. "Acceleration Profile Models for Vehicles in Road Traffic," Transportation Science, INFORMS, vol. 21(1), pages 36-54, February.
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    Cited by:

    1. Xin Tian & Mengmeng Shi & Mengyu Shao & Binghong Pan, 2023. "Calculation Method of Deceleration Lane Length and Slope Based on Reliability Theory," Sustainability, MDPI, vol. 15(17), pages 1-26, August.

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