www.trafficcalming.org	Great overview of different traffic calming measures with pro's and con's clearly identified. Maintained by a private firm, but appears to be solid, unbiased information.
www.ite.org/traffice/index.html	Institute of Transportation Engineers website. Clear and concise, with cost information for different traffic calming measures. Includes .ppt presentations with a great deal of detail and statistics on the effectiveness of such measures.
trafficcalming.overview.doc	File containing material handed out at 2/18/04 neighborhood meeting. Includes overview of speed humps, chokers, neckdowns, and traffic circles, along with important statistics relating to their impacts.