The New Haven Tower kit is based on actual drawings of the New York & New Haven Railroad’s "standard" reinforced concrete interlocking tower. This design was created in the early 1900’s (drawings are dated 11/16/15) and replicated at dozens of locations along the New Haven’s busy Northeast Corridor mainline. Further information on the New Haven Railroad can be found at the New Haven Railroad Historical & Technical Association website: http://www.nhrhta.org. Model features a single piece cast resin roof and covers an area of 1½"(L) X 1¾"(W) X 3"(H).  HO KIT IS ALSO AVAILABLE.