Streetfilms brings us video of Portland's first Ciclovia.  I'm sure they'll cover LA's first one too, in 2184.

Clarence Eckerson Jr. reports:

Despite a very dreary and damp first half of the day, Portland's first Ciclovia-style street closure, Sunday Parkways, was a smashing success with countless thousands of city residents participating. It was like a giant community block party with walkers, bikers, joggers, bladers, families, and pets filling the 6 mile course.

There were plenty of fun activities in four northeast parks that were linked by the circuit, which was opened to bikes and pedestrian traffic only from 8 AM to 2 PM. For cities planning their own Ciclovias, here are some things I liked about Portland's event: knowledgeable volunteers, lots of fun chalk messages on the ground, easy to follow directions, lots of music & entertainment, and a huge number of bike stations for bike repair.