1993 Buick Century Owner's Manual - Page 143

x I I Pavement Markings REVERSIBLE LANE ON MULTILANE ROADWAY NO PASSING ZONE Many city roads and expressways, and even bridges, use reversible-lane traffic control during rush hours. A red X Pavement markings add to traffic signs and signals. They light above a lane means no driving that lane at that in give information to drivers without taking attention from time. A green arrow means you may drive in that lane. the roadway. A solid yellow line on your side the road of Look for the signs posted to warn drivers what hours andor lane means "Don't Cross:' days these systemsare in effect. Your Own Signals Drivers signal to others, too. It's not only more polite, it's safer to let other drivers know what you doing. And are in some places the law requires driver signals. Turn and lane change signals.Always signal when you plan to turn or change lanes. 141