You can do it! It's a hoot!!
Wife and I did one a couple of years ago. 2-up on the trike. Houston, TX to Tombstone, AZ. 1057 miles in 16 hrs-47 min. It helps that the speed limit on I-10 is, for much of the route, 80 MPH.

Good Luck!!!!

-Dan

  
IBA#  42179