85 is pretty normal on I20, but you can also take Hwy 80 an knock off 30 miles off that distance (and fewer cops, even in the small towns except Gladewater which is a speed trap).. I make the trip twice a week to my Lewisville office, I have the schedule down to the minute (2 hours, 15 minutes from my house to my Lewisville office (1.5 hours to loop 360, another 45 minutes to the Lewisville office- all if the road is clear.)
Correction, hwy 80 knocks off 15 miles..
85 is pretty normal on I20,
So what other laws do you routinely ignore?