Evaluation effects of two types of freeway deceleration markings in China
This paper presents an evaluation of the effectiveness of two types of deceleration markings on freeways in China: fishbone-shaped (FS) markings and edge-rate (ER) markings. An actual 4-lane, 6-km long freeway in Province Hebei was created in a driving simulator and used for the experiments. Three scenarios of deceleration markings were adopted: one without markings, one with FS markings, and the third with ER markings. For each scenario, three traffic flow levels were adopted (low, medium, and heavy). The appropriate dimensions of deceleration markings were first established using relevant design guidelines and then used to develop the simulation scenarios using Multigen Creator software. Sixty drivers carried out the simulation experiments with eye tracker equipment. The adequacy of deceleration markings was analyzed with respect to speed, perceived distance, pupil diameter, and geometric parameters. The results showed that both types of deceleration markings made a certain effect on vehicle speed, drivers’visual behavior, and mental characteristics. However, the effect of the FS markings was more pronounced than that of the ER marking. Specifically, the FS markings showed a speed reduction of 12.3 km/h to 15.2 km/h and a perceived distance of 70 m to 90 m, compared with 6.7 km/h to 9.9 km/h and 40 m to 60 m, respectively, for the ER markings. Application comments of the results are provided in the conclusion.
- Record URL:
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Supplemental Notes:
- © 2019 Yanqun Yang et al.
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Authors:
- Yang, Yanqun
- Easa, Said M
- Zheng, Xinyi
- Hu, Aixiu
- Liu, Fashui
- Chen, Meifeng
- Publication Date: 2019
Language
- English
Media Info
- Media Type: Web
- Features: Figures; Photos; References; Tables;
- Pagination: e0220811
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Serial:
- PLoS One
- Volume: 14
- Issue Number: 8
- Publisher: Public Library of Science
- EISSN: 1932-6203
- Serial URL: https://journals.plos.org/plosone/
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Publication flags:
Open Access (libre)
Subject/Index Terms
- TRT Terms: Alternatives analysis; Deceleration lanes; Driving simulators; Freeways; Road markings; Speed; Traffic flow
- Geographic Terms: Hebei Province (China)
- Subject Areas: Highways; Operations and Traffic Management; Planning and Forecasting;
Filing Info
- Accession Number: 01717606
- Record Type: Publication
- Files: TRIS
- Created Date: Sep 19 2019 3:07PM