|Interstate||Interstate Business Loop/Spur||US Hwy (incl. some special routes)||US Hwy BUS, SPUR, LOOP||Nebraska Hwy||Nebraska Link, Spur||County Road||Locally-maintained|
|example||I-80 E||I-80 Business||US-30||US-81 Business||N-92||L-28B||CR-15||Bell St|
|Other Principal Arterial[e]||n/a|
^a When a state highway "SPUR" route is used to connect a state highway with another state highway, a US highway, or an Interstate (i.e., when it is used as a connector/CONN route), use the first state highway column.
^b Also known as Principal Arterial - Interstate.
^c Also known as Principal Arterial - Freeway.
^d Also known as Principal Arterial - Expressway.
^e Also known as Principal Arterial.^f Also known as Other Arterial.