It serves to connect Lewiston's Center Street (SR-61) to the Idaho border.

The roadway continues north past the state line into the city of Preston, Idaho.

[2] The shoulder of the highway is less than one and nine-tenths feet (58 cm) wide, thus is not considered a bicycle friendly route.

[4] Every year, UDOT conducts a series of surveys on its highways in the state to measure traffic volume.

In 2012, UDOT calculated that 1,145 vehicles used the highway on an average day, representing a decrease in traffic over the last two years (1,170 in 2011, 1,175 in 2010).