Location; US-89 and Shepard Ln, Farmington A quarter mile later, exit for SR-106. SR-225 is coming up here in a mile, which serves the Lagoon theme park and is the only access to I-15 north from here. The Legacy Parkway/SR-67 prohibits trucks S to I-15/SR-67/SR-225, N to SR-109 E to SR-225 N to I-15