Good show? - I guess one could say its all a matter of opinion. Here is mine:
Funnel cakes, scrapple, and road construction have nothing to do with whether a train show is good.
Inclement weather? - no train or train show is worth serious injury or worse. If the roads are bad, stay home.
Some of the things that make a show good are a large number of vendors and a clean facility. Resonably priced refreshments are a plus. I don't need or want beer. If there was an issue with getting there or parking, I think I would write something like: "it's a good show, but parking is difficult."
The show that was just held this past weekend is conducted at the Empire State Plaza. The plaza has quite a bit of parking. I paid five dollars to park in the underground, attached garage. Some folks park on the street. They had a coffee stand at the show. It was a short walk down the underground concourse to visit the McDonalds. Along the way, you can look at the state's Modern Art collection, which is considered to be a good one by people who know about such things. I have my favorite pieces. The NYS Museum is at one end of the concourse, another short walk beyond the McDonalds.