Operate as roundabout as soon as possible
Minimize number of stages
Minimize changes to traffic control when using parts of a circle
Avoid contra-flow traffic
Install signage, including way-finding (D and M series) before the roundabout opens
Use changeable message boards: “New Control” and “Yield Ahead”
A well-planned construction staging process that will minimize disruption and construction fatigue.
Go to Chapter 10 of the Roundabout Design Guide, which is focused on Construction Staging options.
View Guide
Can roundabouts be constructed in a short time frame with little traffic impact?Yes.