Comment by pkulak

I'd argue it's wide suburban streets that encourage high speed driving. The road I live on is not wide enough for two cars to pass each other if there are also cars parked on each side, and driving even 20mph feels way too fast. But when I go visit family members in the suburbs, the streets are wide enough for two lanes of parked cars, plus 3 lanes of driving cars. Driving under 50mph feels like you might as well get out and walk.