Suitable for the following scale(s): HO ScaleLength 180 mm / 7-3/32". Width 64 mm / 1-5/16". For straight sections of C track. Two ramp sections are the same Iength as the 24188 + 24172. The bridge program with the look of steel girders takes C Track into the third dimension. Ramps, approaches and overpasses can be built systematically with the sturdy superstructures and 7250 to 7253 pillars. The C Track lies in the bridge and can be slid back and forth, thus enabling you to have a custom installation of the bridges on a layout. The width of the bridges takes into account parallel approaches even in the track spacing used by the wide radius turnout geometry of 64.3 mm / 2-9/16". Suitable bases are available for catenary masts and color lights in the bridge area.