Answer: interstate

AnswerCrossword Clue
INTERSTATE

Trucker's route

INTERSTATE

The "I" of "I-70"

INTERSTATE

U.S. 10, for one

INTERSTATE
Federal highway 76, for example
INTERSTATE
Frequently traveled highway
INTERSTATENational highway
INTERSTATEFederal highway
INTERSTATEMajor road
INTERSTATE... Commerce Commission.
INTERSTATEI. C. C.'s province.
INTERSTATEPart of I.C.C.
INTERSTATEThe "I" in I. C. C.
INTERSTATEKind of commerce.
INTERSTATEPart of I. C. C.
INTERSTATEPart of I.C.C.
INTERSTATELike some highways
INTERSTATE... Highway System
INTERSTATE80 or 90, e.g.
INTERSTATELike some commerce
INTERSTATENight Ranger: "... Love Affair"
INTERSTATENational carrier