The train, a southbound one, was crowded with passengers.
"The Gray Phantom's Return"
Herman Landon
The southbound flyer had gone through.
"Flowing Gold"
Rex Beach
To take a train at Millau would be simply to invite pursuit; for that was the likeliest point an escaping criminal would strike for, a stopping place for all trains north and southbound.
"Alias The Lone Wolf"
Louis Joseph Vance