View from highway Access to Nimtz Parkway. Note: This highway is a toll road. Access to Interstate Highways #90 and #80 - West to communities of Portage, Indiana, Lake Station, Indiana; East to Roseland, Indiana. These Interstate highways are also known as the 'Indian East-West Toll Road.' There are so many things to do outdoors in Indiana. You can drive, walk, run or bike your way down winding roads and up sandy hills. Swim in pristine lakes. Sled down gentle mountains. Bird-watch in protected forests. Hike through remarkable parks. Ride horseback on wooded trails.