Quote Originally Posted by NbyNW View Post
I would also hope that your DOT/traffic engineers would also have some good data regarding vehicle speeds during peak traffic flow vs. speeds during non-peak times. Overlaying that with what you know about how the number of cyclists using the intersection varies throughout the week might provide valuable insight for all parties.
In an experiment in a nearby traffic circle, I informed the City Engineer that someone was able to go straight through at 42mph without any traffic and the tires didn't even squeal. He wasn't surprised, and the point was made.