Don't see anything illegal about selling a firearm at a bus stop. I've bought and should firearms at a Mcdonlds parking lot, City Mill parking lot, and banks parking lot.
Cash, Gun, and permit !
[�134-24] Place to keep unloaded firearms other than pistols and revolvers; penalty. (a) Except as provided in section 134‑5, all firearms shall be confined to the possessor's place of business, residence, or sojourn; provided that it shall be lawful to carry unloaded firearms in an enclosed container from the place of purchase to the purchaser's place of business, residence, or sojourn, or between these places upon change of place of business, residence, or sojourn, or between these places and the following: