Buick 1993 Skylark Owner's Manual page 141

I
E X "
1 4 4 ;
b
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.
1
HOSPITAL
INFORMATION
BLUE
signs with white letters show motorists'
services.
/
I
CANOEING SWIMMING
BROWN signs point out recreation areas or points of
historic or cultural interest.