Traffic Engineering - Experience Counts
Riley Traffic Consultants, LLC is a civil engineering firm which specializes in traffic analysis, traffic control plans and impact studies. Our engineers have over 30 years of experience in transportation, transit and roadway design. We are a certified DBE firm in Utah.
RILEY was formed in February 1999, by Sara Riley Colosimo, PE, and
has been involved with successful engineering and planning projects for over a
decade. We were recently awarded the 2008 Best of Salt Lake City
Award in the Engineers category by the U.S. Local Business Association.
This award is for companies that enhance the positive image of small
business through service to their customers and community.
About Us

Our company is based on the belief that our customers' needs are of the
utmost importance. Our entire team is committed to meeting those needs.
As a result, a high percentage of our business is from repeat customers
and referrals.
We would welcome the opportunity to earn your trust and deliver you the best service in the industry.
Location:
4001 South 700 East, #500
Salt Lake City, UT 84107
We specialize in:
- Traffic Impact Studies
- Traffic Control Plans
- Environmental Documentation
- Master Transportation Plans
- School Safety and Circulation
- Residential & Commercial Planning
- City Council Presentations
With technology getting more and more advanced, you need a reliable traffic engineering partner. Riley Traffic Consultants, Inc. would be pleased to be your technology partner.