1993 GMC Safari Owner's Manual - Page 163

proceedwithcaution,yieldingtheright to other vehicles. Sometraffic lights alsouseredarrows turning onred. ofway to pedestriansandsometimes to signifythatyoumuststop before Many city roadsandexpressways,andevenbridges,usereversible-lane A red X lightabovealanemeansnodriving trafficcontrolduringrushhours. in thatlaneatthattime.Agreenarrowmeansyou may drive in thatlane. Lookfor the signs posted to warndriverswhathoursanddaysthese systemsare in effect. H REVERSIBLE LANE ON MULTI-LANE ROADWAY Pavement Markings L NO PASSINGZONE AM402016 Pavementmarkingsadd to trafficsignsandsignals.Theygiveinformation driverswithouttakingattentionfrom the roadway. A solidyellowlineon side of theroad or lane means"don'tcross." to your Your Own Signals Driverssignal to others,too. It's notonlymorepolite,it'ssafer to letother drivers knowwhat you are doing.And in someplaces the law requiresdriver signals. 4-7