Which lines of latitude and longitude intersect in Illinois?

Answer 1

Lines of latitude and longitude intersect at multiple points in Illinois. Here are a few examples:

- The latitude line 40° N intersects with Illinois, running roughly through the middle of the state.
- The longitude line 89° W intersects with Illinois, running through the western portion of the state.
- Another important intersection point is the point where the Mississippi River (at approximately 90° W) crosses with the 40° N latitude line at the southern border of Illinois.