Basic layout of expansion module

After experimenting for a few days with placement of features on the extension module the photo below shows what I decided on.  This layout is freelanced but based on some features that do exist at this location. There is a wider street, that intersection has traffic signals but the intersection is 4 way.  There is a small Tokyo Police Box (station) on this street which is a two story building. When the surface rail line was in service there was an electrical sub-station next to the tracks and the Police station was in a slightly different location and was a small one story building.

The seam between the two modules is at the top of the darker road surface.  As there has been good results using a joiner-less track connection on the Hot Springs Junction Ntrak module I am trying that out again here with two tracks.

Streets

The streets are done with 2 layers of .020 Evergreen polystyrene sheet which has been secured to the module with Liquid Nails for projects.  On the original modules I had airbrushed all the streets with Floquil SP light lark gray but this paint is no longer available.  On the expansion module I have airbrushed the streets with some Floquil grimy black which appears way to dark for my liking.  What I will probably end up doing is hand brushing all the streets on all three modules with Model Master reefer gray so they will match.

Sector plates

The three areas around the streets which have been air brushed with Testors concrete are .040 thick sheets of polystyrene sheet with an addition .040 thickness of sidewalks.  These "sector plates" are not attached to the modules and can be removed and taken to the bench to work on.  When installed on the module the sector plates are held in place by the buildings which have 4-40 screws extending through their bases.