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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Transp Res Part F Traffic Psychol Behav. 2020 Jul 13;73:128–142. doi: 10.1016/j.trf.2020.06.015

Table A1.

Inventory of 4-Way Intersections

INT # Obstruction (Left / Right) Signage Cross Traffic (Left / Right) Intersection maneuver
1 Open / Open None None / U-Haul Turn right
2 Open / Obstructed None None / Red Van Straight
3 Open / Open Stop None / Police Car Turn right
4 Obstructed / Open None None / Car Straight
5 Obstructed / Obstructed None None / None Turn left
6 Obstructed / Obstructed None Car / School Bus Straight
7 Open / Open Traffic Light Ambulance / Car Straight
8 Open / Open Yield None / None Straight
9 Obstructed / Open None None; Motorcycle Straight
10 Open / Obstructed None None / None Turn right
11 Obstructed/ Obstructed Yield None / Car Straight
12 Obstructed / Open Traffic Light U-Haul / None Turn left
13 Obstructed / Open None Car / None Straight
14 Obstructed / Obstructed None None / Car Straight
15 Open / Obstructed none None / Car Turn left