a. wet floor sign

d. bumpy road sign

h. thin ice sign

l. railway crossing sign

p. parking sign

b. speed limit sign

e. wet paint sign

i. children crossing sign

m. green light

q. animal crossing sign

c. no standing sign

f. red light

j. tunnel sign

n. falling rock sign

r. curvy road sign

g. one way sign

k. slow down sign

o. ice cream sign