The site that I found most useful was...
The League of American Cyclists - especially the Overcoming Bike Commuting Excuses link
Salt Lake City bike map
SLC bike route map - download as 2 PDF files, bike routes outlined on map on one side and info on safety, bicycle law, and maintenance on the other
Commuting and Safety Information
Cycling Utah Commuting Links
UTA Bike Rules and Instructions - UTA Buses are equipped with bike racks and you can bring your bike on TRAX
UDOT Bicycle commuting Guide - Very general info with some UTAH specfics (PDF file)
Summary of Utah bike laws
Commuting Tips from the League of American Cyclists - has good commuting and safety info
General Cycling Info and Advocacy
Utah Bicycle Coalition - advocacy group
Salt Lake Bicycle Collective - advocacy and education
Cycling Utah - for commuting column, cycling events, news, and bicycle advocacy
Just in case you haven't had enough, check out Brian's bike rant...
Bike Shops close to Westminster
Fishers
2175 S 900 East
Salt Lake City, UT
Hours: Mon-Fri 10 am - 7 pm, Sat 10 am - 6 pm
Phone: (801) 466-3971
Contender
875 East 900 South
Salt Lake City, UT 84105
Monday-Friday 10 am to 7 pm
Saturday 9 am to 6 pm
Sunday Closed
Phone: 801-364-0344
Guthrie
731 E 2100 South
Salt Lake City, UT 84106 - 1829
Phone: (801) 484-0404
Cycling Utah Bike Shop Directory - covers a wider area