solid lines
solid yellow lines
- separates traffic that moves in the opposite direction
one broken line
can pass other vehicles or switch lines
solid line with a broken line too
double solid lines
you cannot change lanes or pass vehicles except when leaving a highway or turning left
one solid line
can pass or change lanes only when conditions make it necessary
arrows
- if you have to switch lanes, do so before the solid line comes up to separate the lanes
diamond symbol
- cannot use or enter these lanes unless you are in one of these special vehicles