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Hey Guys, I have a few questions regarding stopping sight distance (SSD) and passing sight distance (PSD) on vertical curves. I am working out a afternoon problem in the school of PE notes which asks you to calculate ACTUAL SSD (its asking for headlight SSD but same thing) on a sag vertical...

Hey guys, I am looking through my notes (School of PE) and I am unsure about what exactly makes up cycle lost time (L) in the cycle length time equation (HCM EQ 18-17). I believe from HCM, L is the total all red (clearance) lost time and the total startup lost time for all phases that would be...