The 518 rail miles for the Crescent bustitution ATL <> NOL in Jan & FEB each year, It is 470 miles by way of I-85, I-65, I-10 by way of Montgomery - Mobile non stop about 6:30 although have done it under 6 hours by just pushing speed limits less than 5 MPH. I20 -I-59-I-10 490 miles but has...