Indiana Travel Over ID Line Inventory created as an ESRI polyline shapefile consisting of a Feature polyline geometry. The data set was compiled by Road Inventory of the Indiana GIS Department of Transportation (INDOT) . Dataset is classified as sde Feature Class. The Feature Class is projected Coordinate System: NAD 1983, UTM, Zone 16 N. The Projections is Transverse Mercator.

Each Travel Over Line Inventory is placed as to Position, From Measure to Measure, Route, and Direction. A TOID occurs when two or more routes travel over the same section of pavement. . There can be multiple travel overs on a single route. One route is designated as primary route and the other as a secondary route. TOID contains the following classification of Primary Routes identified with Secondary Routes.

Travel Over ID line inventory is as of 2012-2015.