Oh goodness sakes I am just now reading this and it's a fantastic idea.
I'm trying to think of a place to round-up. Guessing some will be getting off the PA turnpike ... there is an abandoned Friendlies across the street from the Fort Washington Mercedes dealership on
Pennsylvania Avenue
just off the Ft. Washington exit of the PA pike (go straight thru the tolls to the light, then straight and see the car dealerships on the Left. Frinedlies lot is on the Right across from the Mercedes dealership. Ambler and the display area is just a couple miles from there.
That would be if we wanted to enter from the East, we could come out right at the CVS,
or more dramatically,
we could enter from the West off of Morris Road to Butler Pike (Main Street),
and cruze through the main cultural part of town to our display area ( I assume the main street is open but likely not!).
I should go out and reconnoiter the ground first thing tomorrow AM.
Also, we could meet at Ft. Washington SEPTA train station lot ..
Check back here tomorrow AM for my updates.