The video linked below has some good eye witness reports about the accident
1 dead, 2 injured in car - pedicab collision:
http://blog.seattlepi.nwsource.com/seattle911/archives/145457.asp

This posting is taken from a comment section on the the Seattle PI website.  Story and comments found here:
http://blog.seattlepi.nwsource.com/seattle911/archives/145457.asp

Posted by unregistered user at 8/7/08 1:52 a.m.
I also live on this corner. The witnesses I huddled with immediately after the accident said the people on the pedicab were screaming for their lives at the people […]

In the video below, the owner of Cascadia Cabs is reported as saying that the pedicab driver involved with this accident drove pedicabs in Austin Texas.
http://www.komonews.com/news/local/26399029.html?video=YHI&t=a

Story taken from :
http://www.komonews.com/news/local/26399029.html
SEATTLE - There were no mechanical problems with a Cascadia Cabs pedicab involved in a deadly collision with a minivan Wednesday in Seattle, says the owner of the company, who blames the driver for the crash.
Ryan Hashagen of Bellingham, the company’s owner, said the brakes of the three-wheeled touring vehicle were […]

VIDEO: Pedicab Passenger Killed In Crash -
http://www.kirotv.com/video/17120648
VIDEO: Pedicabs Are Not Heavily Regulated -
http://www.kirotv.com/video/17126608/
SLIDESHOW: Pedicab Crushed In Collision -
http://www.kirotv.com/slideshow/17120721/detail.html?taf=sea
Video: Pedicabs Not Inspected For Safety -
http://www.nwcn.com/video/index.html?nvid=270922&shu=1

Story taken from:
http://seattlepi.nwsource.com/local/373925_wreck07.html
By MOISES MENDOZA
P-I REPORTER
A 60-year-old man died early Wednesday evening after an accident involving a Ford van, a scooter and a pedicab at Western Avenue and Cedar Street in downtown Seattle.
Police spokesman Jeff Kappel said the pedicab, which was carrying the 60-year-old and his wife, was going downhill on Cedar Street approaching […]

The pedicab involved in the Seattle accident appears to be very similar to the ones being sold by the Cascadia Cab Company on their site here:
http://www.cascadiacabs.com/pb/wp_729c7b78/wp_729c7b78.html
The pedicab involved in the accident seems to differ in that the  cabs for sale on their website in that the cab in the accident appears to be a single […]

Story taken from the Seattle intelligencer website:
http://seattletimes.nwsource.com/html/localnews/2008097642_webpedicab07m.html

The damaged pedicab lies on its side in the intersection of Western Ave. and Cedar St in Belltown Wednesday evening.

By Jack Broom
Seattle Times staff reporter
 One person was killed and five injured when a pedicab collided with a van shortly before 7 p.m. Wednesday at a busy Belltown intersection.
Seattle […]