The Lionel range of 00 used a track width that was more to scale,i.e. closer to the actual width of 4ft 8-1/2".
Differences between nominal and actual widths can vary, and so specify the actual width you need.
Since vehicles had shared the bridge with the pedestrians, the actual width available to the vehicles increased.
The actual width and height of this room vary with the shrine.
The meridional extent of them appears to match the actual width of jets.
The actual width from either direction depends a great deal on the structure of the device emitting the waves.
Softwood with a nominal width of two to six inches is about half an inch less in actual width.
If the nominal width is greater than six inches, the actual width is less by about three-quarters of an inch.
When ordering, specify the actual width needed.
Differences between nominal and actual widths for hardwood can vary up to three-quarters of an inch for pieces wider than four inches.