Indiana State Route 49 is a north-south highway in Porter County. This runs through the center of the county. From Valparaiso to Chesterton, IN St Rt 49 is a multi-lane route. IN St Rt 49 passes through the following towns in Porter County. Chesterton Valparaiso Malden Kouts IN St Rt 49 is multi-plexed in Porter County. Indiana State Route 2, at Valparaiso. IN St Rt 49 intersects the following highways in Porter County. U.S. Rt. 12, near Chesterton.