Answer:

RTE

AnswerCrossword Clue
RTE66, e.g.
RTETV's 66, for one
RTE1 or 66: Abbr.
RTERoad-map abbr.
RTE66, for one (abbr.)
RTEAAA recommendation
RTEHwy.
RTEPostal abbr.
RTEAAA suggestion
RTEMap abbr.
RTEMap indicator
RTERoad sign: abbr.
RTETraveler's info
RTEWay with a number: Abbr.
RTEI-80 is one
RTEHwy. (abbr.)
RTE1 or 66 (abbr.)
RTEMap notation
RTEItinerary (abbr.)
RTEMapQuest offering (abbr.)
RTEInterstate hwy.
RTEUS 1 or I-70
RTERoad map abbr.
RTEAbbr. on a road map
RTEHwy. with a number
RTEItinerary abbreviation
RTENumbered hwy.
RTE66, for ex.
RTERd. with a no.
RTEHwy. or tpk.
RTENumbered rd.
RTEGPS reading
RTEGPS suggestion
RTE66 or A1A, e.g.
RTEHwy. sign abbr.
RTEMap line abbr.
RTERoad sign abbr.
RTEWay to go: abbr.
RTERd.-trip option
RTEU.S. hwy.