When Bud speaks to Daisy's mother, a glass on the table appears and then disappears between shots.
In the first shot that clearly shows Lilly at the rest area, she uncrosses her legs & then re-crosses them, right-over-left. In the next shot they are left-over-right, then another cut shows them right-over-left again.
When driving through St. Louis, it shows him crossing the Mississippi River from Illinois to Missouri via the Poplar Street Bridge. Soon after, he's shown driving on Hwy 40 through Saint Louis, but in the opposite direction. He's actually traveling back towards the Illinois side of the Mississippi River.