1993 Buick Roadmaster Owner's Manual - Page 155

x h h h . CROSSING RAILROAD ADVANCE NARROW AHEAD BRIDGE LOW FLAGGER SHOULDER Y I W WOBKE AHEAD I YELLOW indicates a general warning. Slow down and be careful when you a yellow sign. It may signal a see railroad crossing ahead, no passing. a zone, or somi other potentially dangefous situation. Likewise, a yellow .solidline painted on the road means "Don't Cross." ORANGE indicates road construction maintenance. or You'll want to slow down when you an .orange sign, see as part of the road may be closedf .or torn up. And of there may be workers and maintenance vehicles -around too. I 153