State Route 178 (SR-178) is a
state highway
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the U.S. state of
Utah
Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
. Spanning just in
Payson, it connects
Interstate 15 to
SR-198.
Route description
State Route 178, a
minor arterial
An arterial road or arterial thoroughfare is a high-capacity urban road that sits below freeways/motorways on the road hierarchy in terms of traffic flow and speed. The primary function of an arterial road is to deliver traffic from collector roa ...
connector
Connector may refer to:
Hardware
*Plumbing
* Electrical connector, a device for joining electrical circuits together (sometimes known as ports, plugs, or interfaces)
** Gender of connectors and fasteners
** AC power plugs and sockets, devices tha ...
, starts at Interstate 15's southbound
ramp
An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle from the vertical direction, with one end higher than the other, used as an aid for raising or lowering a load. The inclined plane is one of the six clas ...
for exit 248, a
diamond interchange
A diamond interchange is a common type of road junction, used where a controlled-access highway crosses a minor road.
Design
The freeway itself is grade-separated from the minor road, one crossing the other over a bridge. Approaching the ...
.
The route proceeds east on 800 South, over the interchange, continuing through Payson until terminatining at SR-198.
History
State Route 178 was added to the state highway system in 2000 in exchange for transferring ownership of the western portion of
SR-147 from the
Utah Department of Transportation to the city of Payson, as SR-178 connected to Interstate 15 and would be a more appropriate road for the state highway system.
No changes have been made to the highway since.
Major intersections
References
{{DEFAULTSORT:State Route 178
178
Year 178 ( CLXXVIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Scipio and Rufus (or, less frequently, year 931 ''Ab urbe cond ...
178
Streets in Utah