It's always a gamble around there. I would choose a Sunday southbound commute if given the chance. Saturday mornings are terrible going south in the summer due to a lot of beach traffic.
I have a 2003 Duramx 2500HD with Allison transmission, crew cab, long box. If I drive perfect non towing expressway driving I can hit 21 mpg. I just towed a 750 mile trip through mountains from Michigan to Virginia. We got 11.5 mpg and that was dr...