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Wait a minute. > 85% of drivers drive at or below the speed limit. ... > “I’ve found that about 10% of drivers truly identify the speed limit sign and drive a
by monktastic1 10y ago
Wait a minute.
> 85% of drivers drive at or below the speed limit.
...
> “I’ve found that about 10% of drivers truly identify the speed limit sign and drive at or near that limit,” says Megge. Since these are the slowest share of drivers, they don’t affect the 85th percentile speed.
If 85% of drivers drive at or below the speed limit, then why are the 10% who follow the speed limit amongst the slowest of drivers?
- ubernostrum 10y ago85% drive at or below in an ideal 85th-percentile-posted-limit situation. In reality, posted limits are rarely even close to the 85th-percentile speed of traffic.