I will be seeing a lot of the Windsor, CT, station in October so will pass on any impressions I get of whether there are improvements yet, both for Amtrak and their new commuter rail.
I do know that, when I went up there last winter, the historic bricks had black ice all over them and I had to hold onto the posts and railings while I tried to move to where the hotel shuttle would pick me up. So even without mobility issues, it was not the greatest station in bad weather. I'm curious to see what they are changing in general.
I'm just disappointed they didn't make the new platform high-level.
Lack of money, foresight, or brains.
Given that all trains stopping there have more stops with high level platforms than low level, one really has to wonder about which of the above are the major cause of 'gotta save a buck' thereby adding 3-5 minutes to every trip as passengers board and deboard. Windsor Locks has the same problem. At least Springfield is in the process of putting in a high level platform.