Layton ⢠State Rep. Steve Handy says the No. 1 campaign issue for decades for all candidates in the Layton area was to improve the congested Interstate 15 interchange at Hill Field Road near Layton Hills Mall. That long-awaited $38 million project â with an unconventional and somewhat controversial design â is now officially complete, and state and city officials celebrated with an on-site ceremony on Wednesday. The Utah Department of Transportation says that before the project, the short drive ...