References
- 국토교통부 (2008), 도로안전시설 설치 및 관리지침.
- Highways Agency, Scottish Executive, Welsh Assembly Government and the Department for Regional Development, Northern Ireland (2004), Design Manual for Roads and Bridges (HD28/2004), London.
- Heavy Vehicle Research Center (2006), Assessment of Friction-based Pavement Methods and Regulations.
- Midwest Regional University Transportation Center (2005), Incorporating Road Safety Into Pavement Management: Maximizing Asphalt Pavement Surface Friction For Road Safety Improvements.
- TRB (2009), Guide for Pavement Friction. 2009, National Cooperative Highway Research Program Web-Only Document 108.