asphalt
black
black and white
blizzard
clear
clearing
cold
concrete
danger
dangerous
ent
hazard
hazardous
health and safety
kerb
maintenance
melting
monochrome
park
pathway
pavem
people
perilous
point
road
safety
sepia
shovel
shoveling
sidewalk
slip
slippery
snow
snowy
stone
tar
tarmac
thaw
thawing
trees
vanishing
white
winter
wood