Buick 1993 Roadmaster Owner's Manual page 156

4 4 9
GREEN
is used to guide the driver. Green signs may
indicate ,upcoming freeway exits or show the direction
you should turn to reach
a
particular place.
3
H
HOSPITAL
INFORMATION,
BLUE
signs with white letters show motorists' services.
r
\
. . . . . . .
CANOEING SWIMMING
BROWN signs point out recreation areas or points
of
historic or cultural interest.
154