I have what I think is the latest R.Steves France guidebook, and on page 197, it claims that the shuttle drops off passengers near the timed ticket entrance to Monet's Giverny gardens. Looking at the website for the shuttle bus, it clearly states that the Giverny stop is at the town parking lot (6-10 min walk away). The Petit Train website is a bit vague, but it looks like the same stop is used.
Which is it? town parking lot or timed ticket entrance?
-Bruce