most freeway exits have a special lane for you to use before reaching the exit ramp; avoid slowing down on freeway itself - wait until deceleration lane and then slow gradually until your speed matches the posted exit ramp speed
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look ahead for signs telling you about the exit you want and lane you need to use
check front, behind and the side for traffic; signal and move into proper lane a mile or more before the exit
most exits are numbered to help you quickly spot the one you want to take
these numbers usually listed on major freeway signs
if miss the exit ramp, never turn back around or back up; go to next exit, get back on freeway in opposite direction, and return to the exit you want