Read entire article at WAVY.com:

The city’s traffic engineer Robert Gey explained, “If you’re on a bike and cars are doing 30 miles an hour versus 45 or 50, you’re going to feel a difference. Or if you’re a pedestrian and cars are coming at you at 35 miles an hour versus 45 or 50 [miles an hour], you’re going to feel a lot more comfortable in that environment.”