Answer: rigs

AnswerCrossword Clue
RIGSThey're in for the long haul
RIGSOutfits
RIGSEighteen-wheelers
RIGSFixes, as a carnival game
RIGSFixes, as a ball game
RIGSHighway weigh station targets
RIGSBig trucks
RIGSTampers with
RIGS18-wheelers
RIGSOil-drilling structures
RIGSTractor-trailers
RIGSFixes, in a way
RIGSSemis
RIGSAssembles, with "up"
RIGSCarriage-and-horse setups
RIGSFixes illegally
RIGSPre-arranges the outcome
RIGSFixes, so to speak
RIGSHighway haulers
RIGSMakes unfair
rigsto put together as makeshift
RIGSTruck stop sights
RIGSFixes, as a fight
RIGSFixes election results
RIGSSulky and surrey
RIGSExcavates again
RIGSFixes, as a vote
RIGSTruckers' trucks
RIGSTeamsters' wheels
RIGSSets of gear
RIGSArranges crookedly
RIGS"Arranges" a prize fight
RIGSFixes, as games
RIGSApparatuses
RIGSOil apparatuses
RIGSFixes, as an election
RIGSConvoy lineup
RIGSFixes
RIGSFixes dishonestly
RIGSTractor trailers