Possible Traffic Control Need
This module shows what type of traffic control may be warranted for an intersection based on a variety of inputs.
This module calculates the required length to accommodate the queue of vehicles waiting to make a left-turn.
Bay Taper Length
This module calculates the length of taper required to open up a left-turn lane.
Intersection Sight Distance
This module presents many different options for calculating intersection sight distance depending on the intersection control and turning movement.
Approach Taper Length
This module calculates the length of lane shift tapering required to add a left-turn lane at an intersection approach.
Stopping Sight Distance
This module calculates the required minimum stopping sight distance based on the design speed and grade of a roadway.