This is a snaphot of the field dimensions used in our league. It shows the placement of the pitching screen, the run-through lines, the alternate first base, the alternate home plate/scoring line, the outfield encroachment line, and more. Use this picture to help understand some of the details in the local rules below.
There is also a video that shows examples of how the run-through lines work. Just click the button below:
This video explains and provides examples on how to utilize the run through lines on both 2nd and 3rd base.