Model railroading track is measured in numeric values, called a code, that indicate rail height in thousandths of an inch. In HO scale, Code 100 track is the most common. But Code 83 is more realistic, making it popular among those who crave realism. Let’s look at Code 100 vs Code 83.
Largely the difference comes down to cost vs realism. Code 100 is more widely available and cheaper, so you pay a price for Code 83’s better realism, or you might decide the difference isn’t noticeable enough to you.









