Because you’re supposed to pass on the left and people aren’t expecting faster moving cars to be coming on the right.
Having said this, if some asshat is going too slowly and impeding traffic in the left lane then people will pass on the right. You’re not really supposed to though
TorqueRollz t1_iu2fdld wrote
Reply to comment by TipYourDishwasher in "Passing Side" and "Suicide" on a semi truck's mudflaps by theweekendwife
Because you’re supposed to pass on the left and people aren’t expecting faster moving cars to be coming on the right.
Having said this, if some asshat is going too slowly and impeding traffic in the left lane then people will pass on the right. You’re not really supposed to though