Question: Which states does the current US route 23 run through that we’re originally called the pine gap?
Sentence (from "Blair Gap"): Like other" 'gaps of the Allegheny' "the slopes of Blair Gap were amenable to foot travel, pack mules, and possibly wagons allowing Amerindians, and then, after about 1778-1780 settlers, to travel west into the relatively depopulated Ohio Country decades before the railroads were born and tied the country together with steel.
Relevant evidence: No