The Circle Of Driving Again - S5-E8
Continuity mistake: After Adam crosses the railroad tracks in Grandpa's car, the next quick view through the front of the windshield to the back window of their car shows a street scene, and not the railroad crossing lights, gates, or tracks that should be there.
Answer: Not a sexual innuendo at all. Barry drove into it because he couldn't make a decision to either go his way or Lainey's way.
Scott215