 It was a "cut-off" because it allowed motor travelers from the lower United States to travel to Valdez and Anchorage in south-central Alaska without going further north to Delta Junction and then traveling south on the Richardson Highway.When originally being surveyed from the air, the map marking showed the "T" intersection, and the letters "OK" to confirm the location was suitable.Between 1954 and 1979, an 8-inch U.S. Army fuel pipeline operated from the port of Haines to Fairbanks, with a pump station in Tok.