extending southwest from Boise City and crossing into New Mexico near the southwest corner of the Panhandle. This left the route to Kenton without a designation, which it would lack for the rest of the 1940s, the 1950s, and most of the 1960s. Kenton was briefly reconnected to the state highway system when State Highway 134 was designated along the old alignment of US-64. This highway was only shown on the 1963 state highway map, implying that it was commissioned the year before and revoked sometime that year. By the time SH-134 was designated, the highway had been fully paved. When SH-134 was decommissioned, its alignment continued to persist on the state highway map, with the legend "(not on highway system)" and no shields. The old US-64 route to Kenton finally received its present-day designation in 1973, when it was numbered after the already-existing NM 325, which once extended to the Oklahoma state line. In December 2021, state senator Bill Coleman proposed renaming three inches of a westbound lane as the "Lincoln Riley Highway" following Riley's departure from the University of Oklahoma to the University of Southern California. Junction list References External links SH-325 at OKHighways SH-325 at Roadklahoma Transportation in Cimarron County, Oklahoma 325