Buick 1993 Skylark Owner's Manual page 143

Symbols on Road Signs
KEEP LEFT OR
RIGHT THROUGH
RIGHT TURN
ONLY
RECTANGULAR (square or oblong) signs show speed
limits, parking regulations, give directions, and such
information as distances to cities.
There are many international road signs in use today.
The basic message of many of these signs is in pictures
or graphic symbols. A picture within a circle with a
.t
not
to do. diagonal link across
- -
it shows wha
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