Chapter
Apr 26, 2012
Safety Based Signalized Intersection Level of Service
Authors: Pan Fuquan [email protected], Lu Jian [email protected], Xiang Qiaojun [email protected], and Deborah S. McAvoy [email protected]Author Affiliations
Publication: Transportation and Development Innovative Best Practices 2008
Abstract
Intersections are crash-prone locations due to the presence of conflicting vehicular movements. However, safety is not included in the intersection performance measure of level of service (LOS) for signalized intersections according to the current Highway Capacity Manual. The research presents the concept of safety level of service (SLOS) and develops model of SLOS for signalized intersections based upon vehicle conflicts, intersection geometrics, signal phasing, pavement markings, signage, pavement condition and ambient lighting. The average control delay of LOS is combined with risk index of SLOS to develop the delay and risk index for the improved LOS performance measure accounted for safety. In light of current LOS criteria and distribution of risk index values, the improved LOS criteria are defined for signalized intersections.
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Information
Published In
Transportation and Development Innovative Best Practices 2008
Pages: 246 - 251
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Gravels
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Intersections
- Management methods
- Pavement condition
- Pavement markings
- Pavements
- Practice and Profession
- Public administration
- Public health and safety
- Quality control
- Safety
- Traffic accidents
- Traffic engineering
- Traffic management
- Traffic signals
- Transportation engineering
- Vehicle-pavement interaction
Authors
Affiliations
School of Transportation, Southeast University, 2 Si Pai-lou, Nanjing, Jiangsu, 210096, China. E-mail: [email protected]
School of Transportation, Southeast University, 2 Si Pai-lou, Nanjing, Jiangsu, 210096, China. E-mail: [email protected]
School of Transportation, Southeast University, 2 Si Pai-lou, Nanjing, Jiangsu, 210096, China. E-mail: [email protected]
Ohio University, Department of Civil Engineering, Athens, OH 45701. E-mail: [email protected]
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