TrafficSpec
US traffic signal + ITS specification engine · McCain (SWARCO) anchor catalog · MUTCD 11th Ed. grounded
Intersection brief
Approach lanes — L (left) · T (through) · R (right-turn pocket)
NB
SB
EB
WB
Context factors
Intersection layout — 4-leg
North ↑Signal headPedestrian crosswalk (MUTCD §4F)Center stripe