"More than half of Helsinki’s streets now have speed limits of 30 km/h."
This is the only secret.
People over speeding is what kills.
replies(15):
This is the only secret.
People over speeding is what kills.
For the standard US road with 12-foot-wide lanes and generally straight-ahead routes, 20mph does feel very slow. I've driven on some roads though where narrower lanes, winding paths, and other "traffic calming" features contribute to a sense that 20mph is a reasonable speed.