1993 Chevrolet Suburban Owner's Manual - Page 210

Freeway Driving Mileformile,freeways(alsocalledthruways,parkways,expressways, turnpikes,orsuperhighways)arethesafestofallroads.Buttheyhavetheir own specialrules. Themostimportantadviceonfreewaydrivingis:Keepupwithtrafficand keep to the right. Drive at thesamespeedmost of theotherdrivers driving.Too-fastortoo-slowdrivingbreaksasmoothtrafficflow.Treattheleft laneonafreewayasapassinglane. are Entering the Freeway At theentrancethereisusuallyarampthatleads to the freeway. If youhave aclearview of thefreewayasyoudrivealongtheentranceramp,you shouldbegin to checktraffic.Trytodeterminewhereyouexpect to blend if itisheavy, withtheflow. If traffic is light,youmayhavenoproblem.But find agap as youmovealongtheenteringlaneandtimeyourapproach.Try to mergeintothegapatclose to theprevailingspeed.Switchonyourturn signal,checkyourrearviewmirrorsasyoumovealong,andglanceoveryour shoulderas often asnecessary.Try to blend smoothly with the traffic flow. Driving on the Freeway Onceyouareonthefreeway,adjustyourspeed to the posted limit or to the want to pass. If prevailingrate if it's slower.Stay in therightlaneunlessyou youareonatwo-lanefreeway,treat the rightlaneastheslowlaneandthe freeway, treatthe leftlane as the passing lane. If youareonathree-lane rightlane as theslower-speedthroughlane,themiddlelane as the higher-speedthroughlane,andtheleftlaneasthepassinglane. 4-43