They may work for European drivers, but not for US drivers. They won’t work for trucks. They won’t work for traffic flows, special events, or people from out of town [who will be unfamiliar with them]. They will have lots of collisions [unsafe]. WHAT ARE FACTUAL ISSUES (VIABLE CONCERNS BY THE PUBLIC/POLITICIANS) THAT NEED TO BE ADDRESSED? Roundabouts take to much R/W. Initial are higher. There is much design inexperience. There are grade problems. Drivers don’t know how to drive two lane roundabouts. Path Overlap/signing/lane marking need to be addressed. Residential driveway proximity. Understanding the difference between traffic circles. There is a need for an advance guidance plan. Life cycle costs should include fuel, crash, emissions. Determining design vehicle. Handling permit and overdimensional loads. Emergency response strategies. High speed vs low speed approach design. Property access. Pedestrians waiting until the settles” (on ADA issues). – “dust Cost (actual capital vs B/C).
They may work for European drivers, but not for US drivers. They won’t work for trucks. They won’t work for traffic flows, special events, or people from out of town [who will be unfamiliar with them]. They will have lots of collisions [unsafe]. WHAT ARE FACTUAL ISSUES (VIABLE CONCERNS BY THE PUBLIC/POLITICIANS) THAT NEED TO BE ADDRESSED? Roundabouts take to much R/W. Initial are higher. There is much design inexperience. There are grade problems. Drivers don’t know how to drive two lane roundabouts. Path Overlap/signing/lane marking need to be addressed. Residential driveway proximity. Understanding the difference between traffic circles. There is a need for an advance guidance plan. Life cycle costs should include fuel, crash, emissions. Determining design vehicle. Handling permit and overdimensional loads. Emergency response strategies. High speed vs low speed approach design. Property access. Pedestrians – waiting until the “dust settles” (on ADA issues). Cost (actual capital vs B/C).
Myth%20list.docx