Freeway DrivingMile for mile, freeways — also called thruways,parkways, expressways, turnpikes, orsuperhighways — are the safest of all roads. Butthey have their own special rules.The most important advice on freeway driving is:Keep up with traffic and keep to the right.Drive at the same speed most of the other driversare driving. Too-fast or too-slow driving breaksa smooth traffic flow. Treat the left lane ona freeway as a passing lane.At the entrance, there is usually a ramp that leadsto the freeway. If you have a clear view of thefreeway as you drive along the entrance ramp, youshould begin to check traffic. Try to determinewhere you expect to blend with the flow. Try tomerge into the gap at close to the prevailing speed.Switch on your turn signal, check your mirrors, andglance over your shoulder as often as necessary.Try to blend smoothly with the traffic flow.Once you are on the freeway, adjust your speedto the posted limit or to the prevailing rate if it isslower. Stay in the right lane unless you wantto pass.339