Buick 1993 LeSabre Owner's Manual page 149

I
I
RAILROAD
ADVANCE
CROSSING
A
BRIDGE
YELLOW
indicates a general warning. Slow down and
be careful when you see a yellow sign. It may signal
a
railroad crossing ahead, a no passing zone, or some
other potentially dangerous situation. Likewise, a yellow
solid line painted on the road means "Don't Cross."
L
u
LOW
SHOULDER
WORKERS
AHEAD
FLAGGER
AHEAD
ORANGE indicates road construction or maintenance.
You'll want to slow down when you see an orange sign,
as part of the road may be closed off or torn up. And
there may be workers and maintenance vehicles around,
too.
147