1-846 Roundabouts RAD Research and Update

Highways England is seeking the provision of services to undertake research into specific elements of the geometric design standards for roundabouts and investigate elements of the matters arising during the 2020 DMRB update of the Roundabout RADs. It is hoped that the research outputs will be used to enhance, amend or supersede relevant parts of the following Design Manual for Roads and Bridges (DMRB) documents as denoted below; 1. CD 116 'Geometric Design of Roundabouts', 2. CD 116 England NAA 'Geometric Design o...