- road fund
- road grade
- road grader
- road gradient
- road gully
- road gutter
- road haulage
- road haulier
- road hog
- road intersection
- road jam
- road junction
- road kerb
- road kettle
- road location
- road locomotive
- road maintenance
- road making
- road map
- road marking
- road materials
- road mending
- road message
- road metal
- road mirror
- road mixer
- road network
- road news
- road noise
- road octane
- road oil
- road oiler
- road painting
- road patching
- road pavement
- road paver
- road pen
- road petrolsation
- road pitch
- road planer
- road planning
- road plough
- road rail
- road relocation
- road repair
- road reservation
- road resistance
- road ripper
- road risk
- road roller
- road rooter
- road route
- road safety
- road scarifier
- road scraper
- road section
- road sense
- road shoulder
- road show
- road sign
- road signs
- road slab
- road speed
- road spreader
- road sprinkler
- road standards
- road stone
- road structure
- road surface
- road surfacing
- road surveying
- road sweeper
- road system
- road tanker
- road tar
- road tax
- road taxdisc
- road test
- road track
- road tractor
- road traffic
- road train
- road transport
- road tunnel
- road up
- road user
- road warning
- road wave
- road widening
- road worker
- road works
- road-bed
- road-block
- road-book
- road-holding
- road-house
- road-machine
- road-surveyor
- roadability
- roadbase