Unless the railroad notifies the fiber optic carrier in writing or electronically that the approved crossing is a serious threat to the safe operation of the railroad or to the current or future use of the railroad right-of-way, would violate any federal law or regulation applicable to a public transit district, or would violate an agreement between a public transit district and the federal government, the railroad shall issue the permit or crossing agreement and schedule flagging to occur within 45 calendar days of the approved application.
Utah Code § 54-23-104