Creating new signage requires the use and knowledge of Inkscape, a vector graphics editor.

In addition, the following fonts are required:
Luminator 5x7M Square (by BenTheMiner)
Helvetica
MS Mincho

Signage model locations:
Exterior\Body\Signage\front dest.b3d
Exterior\Body\Signage\ext LCD A.b3d
Exterior\Body\Signage\ext LCD B.b3d
Exterior\Body\Signage\int sign.b3d

Signage texture locations:
Exterior\Body\Signage\Front\
Exterior\Body\Signage\Side\
Exterior\Body\Signage\Interior\

Strip map model locations:
Exterior\Body\Interior\A\int decals A.b3d
Exterior\Body\Interior\B\int decals B.b3d

Strip map texture locations:
Exterior\Body\Interior\svg\stripmap.svg
Exterior\Body\Interior\stripmap_2.png