Utah state Rep. Kay Christofferson knows firsthand the impact transportation investment—and the lack thereof—can have on his state’s economy. …. Christofferson, a civil engineer and House Transportation Committee member, also has seen the positive impact transportation has had on his community of Lehi, Utah. Once a relatively small town with an agricultural economy, it’s now at the epicenter of economic growth in the state thanks to four exits along the major north-south artery I-15, the expansion of the FrontRunner commuter rail system to the area and other factors. ….