SAN FRANCISCO (KRON) — There are more than 300 miles of bike lanes throughout San Francisco alone.

Bike lanes are for bikes and bikes only.

However, more than just cyclists are using them, as our Stanley Roberts discovers.

And no, scooters and cars cannot use them.

Bicycle lanes are one of the most misused lanes in the Bay Area, usually by drivers of 4,000-pound cars. Drivers and taxis sometimes use them as shortcuts.

Watch the above video to see this edition of People Behaving Badly.