Traffic engineer Ian Lockwood explains why some European cities have ditched their traffic signs and make the roads "shared space."
Learn more about the concept of shared space.
UPDATES: One town in Germany announces its shared space plan.
Professor Ted White explains the joys of unexpected shared spaces in the USA and takes a look at their history in Europe.
"Without the sense of entitlement that a green light engenders, drivers are cautious, patient, respectful—self-policed with a collective congeniality."