NC Drivers Ed Road Signs Flashcards two way traffichill keep rightno right turn secondary road signsinterstate highways lane dropdivided highway school signschool crossing side roaddivided highway ends side roadcross road no left turnkeep left hospitalstop sign no u-turndouble left turns slippery when wetbike crossing curve rightfarm machinery railroad crossingrailroad crossing cattle crossingdeer crossing signal aheadmerging traffic yieldspeed limit winding roadstop ahead do not enterleft turn only no bicyclesthru & left US Route MarkersNC Route Markers low clearanceright turn