Immediately prior to her car crash, many onlookers are visible on the far side of the street (over her left shoulder).
The Bishops' ocean beach house is said to be in Grafton, MA near East Douglas. East Douglas and Grafton are not near each other and neither is on the ocean. When Olivia is looking at the map of Southern Worcester County and Northern Rhode Island the towns are not where they should be and many of them are missing.