Mobile QR Code QR CODE : Journal of the Korean Society of Civil Engineers
1 
FHWA. (2008). Safety evaluation of center two-way left-turn lanes on two-lane roads, USA.FHWA. (2008). Safety evaluation of center two-way left-turn lanes on two-lane roads, USA.Google Search
2 
Iowa DOT. (2004). Design manual, USA.Iowa DOT. (2004). Design manual, USA.Google Search
3 
John R. Mclean. (1989). Two-lane highway traffic operations (theory and practice), Gordon & Breach Publishing Group, USA.John R. Mclean. (1989). Two-lane highway traffic operations (theory and practice), Gordon & Breach Publishing Group, USA.Google Search
4 
Lee, D. K., Chae, C. D., Cho, H. S. and Jeong, J. H. (2010). “Estimation of optimal traffic volume for 2+1 roads based domestic two-lane highway conditions in highway planning aspects.” 62th Korean Society of Transportation Conference, Korean Society of Transportation, Seoul, pp. ii-421-426 (in Korean).Lee, D. K., Chae, C. D., Cho, H. S. and Jeong, J. H. (2010). “Estimation of optimal traffic volume for 2+1 roads based domestic two-lane highway conditions in highway planning aspects.” 62th Korean Society of Transportation Conference, Korean Society of Transportation, Seoul, pp. ii-421-426 (in Korean).Google Search
5 
Ministry of Land, Infrastructure and Transport. (2000). Guideline for criteria on highway structure and facility.Ministry of Land, Infrastructure and Transport. (2000). Guideline for criteria on highway structure and facility.Google Search
6 
Ministry of Land, Infrastructure and Transport. (2001). Korea highway capacity manual.Ministry of Land, Infrastructure and Transport. (2001). Korea highway capacity manual.Google Search
7 
Ministry of Land, Infrastructure and Transport. (2010). 2+1 lane road design manual.Ministry of Land, Infrastructure and Transport. (2010). 2+1 lane road design manual.Google Search
8 
Ministry of Land, Infrastructure and Transport. (2010). Development of 2+1 lane road design criteria, Korea Institute of Construc tion Technology (in Korean).Ministry of Land, Infrastructure and Transport. (2010). Development of 2+1 lane road design criteria, Korea Institute of Construc tion Technology (in Korean).Google Search
9 
Swedish Road Administration. (2008). 2 plus 1 roads in sweden, Sweden.Swedish Road Administration. (2008). 2 plus 1 roads in sweden, Sweden.Google Search
10 
Tadeusz Sandecki. (1998). “Innovative approaches to highway geo-metric design in poland.” Transportation Research Circular, Issue E-C003, pp. 4:1-7.Tadeusz Sandecki. (1998). “Innovative approaches to highway geo-metric design in poland.” Transportation Research Circular, Issue E-C003, pp. 4:1-7.Google Search
11 
TRB. (2010). Highway capacity manual 2010, USA.TRB. (2010). Highway capacity manual 2010, USA.Google Search