List of Contributions

Muhammad, The actual site conditions will determine if the propose u-turns will operate effectively on each approach: Are the roadways wide enough to allow vehicles to complete a U-turn? On US roads you need 3 receiving lanes for most vehicles to complete the turn. Can you provide a left-turn ...

Muhammad, Can you provide a graphic of the roundabout showing where the u-turns were placed on the approach roadways? ------------------------------ Fraser Howe P.E., F.ASCE ------------------------------

Bevin, I disagree that we should wait for citizens to ask for roundabouts, since many have no experience with them. I've been in practice long enough to remember driver resistance to 4-way stops and actuated signals. We transportation experts convinced local agencies to pilot them and collect data that ...

ASCE offers several online courses on roundabout design, and how to identify & correct deficiencies in existing roundabouts. I have teken a couple for PDH credits and recommend them to my fellow engineers. ------------------------------ Fraser Howe P.E.,F.ASCE ------------------------------

As the design engineer for several roundabouts in Florida (and 2 in Carmel, IN), I wholeheartedly agree with Ken. When placed in the right location, modern roundabouts are not only resilient after storms, they operate more efficiently for drivers than traffic signals every day. For every intersection ...