“Everyone deserves to travel safely,” Klein said. “On a major or minor arterial where people are doing 35, 45, 55 and sometimes speeding, that’s where you really need separation. That’s where it really became our priority.”

Another bonus, by the way: protected car lanes aren’t just good for people driving. There’s some evidence that people also prefer them while biking.

See also Ian Lockwood‘s cartoon about this subject. Thanks to Wright, Roberts and Klein for playing along.

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This piece first appeared in the Green Lane Project