1993 Buick LeSabre Owner's Manual - Page 154

Traffic Lights Some traffic lights also use red arrows to signify that you must stop beforeturning on red. x REVERSIBLE LANE ON MULTILANE ROADWAY We're all familiar with traffic lights or stop lights. Often green arrows are being used in the lights forimproved traffic control. On some multilaneroads, green arrows light up, indicating that traffic in one ormore lanes can move or make a turn. Green arrows don't mean "go no matter what." You'll still need to proceed with caution, yielding the right of way to pedestrians and sometimes to other vehicles. -. -. Many city roads and expressways, and evenbridges, use reversible-lane traffic control during rush hours. A red X light above a lane means no driving in that lane atthat time. A green arrow meansyou may dfive in that lane. Look for the signs posted to warn drivers what hours and days these systems arein effect. 152