There's a lot of shoreline from which to fish. Why can't I use more fishing lines, like when one goes ice fishing?

Currently a maximum of two lines are allowed for open water fishing. Allowing more than two lines for shore-fishing could lead to overcrowding in areas of limited shore access. At many lakes across the state, shore fishing access is not unlimited and sometimes inadequate, and allowing more lines would tie up areas that are already in short supply. Further, more lines would lead to crowding problems on the hundreds of fishing piers and docks at many lakes across the state.