4 in the steel mill and industrial areas. The maximum grade is 2%. The HO scale layout, built with L-girder benchwork, ranges in height from 43" to 60". It features Homasote roadbed on ¾" plywood ...

In George Sebastian-Coleman's HO scale $500 layout, also featured in the January and February 2004 issues of Model Railroader, he turned the oval slightly so the track isn't parallel to the edges ...