a. one way sign

d. red light

h. no standing sign

l. falling rock sign

p. wet paint sign

b. speed limit sign

e. tunnel sign

i. animal crossing sign

m. green light

q. railway crossing sign

c. children crossing sign

f. parking sign

j. curvy road sign

n. slow down sign

r. ice cream sign

g. wet floor sign

k. thin ice sign

o. bumpy road sign