I missed this where in Utah are they implimenting a commuter train??
This would be for the new Utah Frontrunner commuter rail service.
It looks like the plan is to run from the Ogden UT area to Salt Lake City UT.
More information can be found on this webpage:
http://www.rideuta.com/calendarAndNews/commuterRail/overview/alignmentMap.aspx
http://www.rideuta.com/calendarAndNews/commuterRail/overview/faq.aspx
Here is the Wikipedia page on this project:
http://en.wikipedia.org/wiki/FrontRunner
— Daniel