Assessing impacts of traffic signal countdown timers on safety and efficiency at signalized intersections

Vadhul Krishnan Veerakumar & C Lee

Journal of Safety Research2026https://doi.org/10.1016/j.jsr.2026.01.004article
AJG 2ABDC A
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https://doi.org/https://doi.org/10.1016/j.jsr.2026.01.004

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@article{vadhul2026,
  title        = {{Assessing impacts of traffic signal countdown timers on safety and efficiency at signalized intersections}},
  author       = {Vadhul Krishnan Veerakumar & C Lee},
  journal      = {Journal of Safety Research},
  year         = {2026},
  doi          = {https://doi.org/https://doi.org/10.1016/j.jsr.2026.01.004},
}

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Assessing impacts of traffic signal countdown timers on safety and efficiency at signalized intersections

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Evidence weight

0.50

Balanced mode · F 0.40 / M 0.15 / V 0.05 / R 0.40

F · citation impact0.50 × 0.4 = 0.20
M · momentum0.50 × 0.15 = 0.07
V · venue signal0.50 × 0.05 = 0.03
R · text relevance †0.50 × 0.4 = 0.20

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