Turbo Roundabout Design with TORUS™ 5.0

Turbo Roundabouts and Turbo Roundabout Design software The concept of the Turbo Roundabout was developed in 1996 by Professor Fortuijn in an attempt to deal with some of the drawbacks of the traditional roundabout design. The following are some of the key characteristics for Turbo Roundabouts: - No Lane changing on the Roundabout - Nested spiral lane is introduced for one or more entries - No need to yield to traffic on more than two lanes - Low driving speed through the roundabout by the presence of rais