Deseret News » The so-called I-15 Technology Corridor project will add two lanes on both the northbound and southbound sides from Lehi’s Main Street to state Route 92, for a total of six lanes in both directions on completion. Interchange renovations are also in the mix, as well as 13 bridge rebuilds and the construction of a new bridge that will span I-15 connecting the east and west legs of Triumph Boulevard.