3American Association of State Highway Officials. A Policy on Geometric Design of Expressways and Streets [M]. Washington, D.C.: American Association of State Expressway and Transportation Officials,2001.
4URBANIK I I T. BONILLA C. R. Safety and Operational Evaluation of Shoulders on Urban Freeways,FHWA/TX-87/32+395-1 [R]. College Station, Texas:Texas State Department of Expressways and Public Transportation,1987.
5HADI M A,ARULDHAS J,CHOW L F. Estimating Safety Effects of Cross-section Design for Various 16 Expressway Types Using Negative Binomial Regression [J]. Journal of Transportation Research Record,1995,1550:169-177.
6NOLAND R B OH L. The Effect of Infrastructure and Demographic Change on Traffic-related Fatalities and Crashes: A Case Study of Illinois County-level Data [J]. Accident Analysis and Prevention,2004,36(4):525-532.
7BAMZAI R,LEE Y D, LI Z Z. Safety Impacts of Expressway Shoulder Attributes in Illinois,Report FHWA-ICT-11-078 [R]. Rantoul,Illinois:Illinois Center for Transportation,2011.
8BEN-BASSAT T,SHINA D. Effects of Shoulder Width, Guardrail and Roadway Geometry on Driver Perception and Behavior [J]. Journal of Accident Analysis and Prevention, 2011,43(6):2142-2152.
9VAN DER HORST R,DE RIDDER S. Influence of Roadside Infrastructure on Driving Behavior [J]. Journal of Transportation Research Record,2007,2018:36-44.
10VICTOR T W,HARBLUK J L,ENGSTROM J A. Sensitivity of Eye-movement Measures to In-vehicle Task Difficulty [J]. Transportation Research Part F: Traffic Psychology and Behaviour,2005,8(2):167-190.
