Gopalakrishnan, Ammu, Sewa Ram, and Pradip Sarkar. “QUANTITATIVE APPROACH TO DETERMINE PEDESTRIAN DELAY AND LEVEL OF SERVICE AT SIGNALIZED INTERSECTION”. International Journal of Students’ Research in Technology & Management 6, no. 1 (January 3, 2018): 06-13. Accessed May 2, 2018. http://giapjournals.com/index.php/ijsrtm/article/view/556.