The red sign in this photo means no entry to traffic. The word uitgezondered means "except" in Dutch. So this sign indicates that bikes and scooters are permitted in this direction, although cars aren't.
No Entry, Except to Bikes/Scooters A Visual Guide to Bike Safety & Signs in Amsterdam
From Shannon McAllister, About.com
No Entry, Except to Bikes/Scooters
© 2006 Shannon McAllister, licensed to About.com©2009 About.com, a part of The New York Times Company.
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