Abstract: A two-lane roundabout is quite a common junction type, when the annual daily traffic (ADT) of a junction is over 10 000 - 18 000 veh/d. The aim of this study was to gather more information of the suitability of two-lane roundabouts for Finnish conditions. In this study the use, traffic safety and performance of two-lane roundabouts in certain countries has been examined through desktop research and an inquiry. Furthermore, a before-after study concerning capacity parameters and travel speeds was carried out on a roundabout which was changed from one lane to two lanes.
Publication Year: 1996
Publication Date: 1996-01-01
Language: en
Type: article
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