| road sign(noun, sign, attention, caution, ban) |
| caution(noun, sign, attention, ban, road) |
| prohibition(noun, sign, attention, caution, banning) |
| sign(noun, attention, caution, ban, road) |
| movement(noun, process, motion, road) |
| transport(noun, process, motion, road) |
| transportation(noun, process, motion, road) |
| attention(noun, ban, road, prohibition) |
| course(noun, movement, road, traffic) |
| direction(noun, movement, road, traffic) |
| directive(noun, standard, principle, administration) |
| forbidding(noun, banning, disallowance, disallowing) |
| highway(noun, movement, road, traffic) |
| notice(noun, sign, attention, caution) |
| order(noun, standard, principle, administration) |
| path(noun, movement, road, traffic) |
| regulation(noun, standard, principle, administration) |
| roadway(noun, movement, road, traffic) |
| route(noun, movement, road, traffic) |
| rule(noun, standard, principle, administration) |