S.R. 912 Roadway and Ramp Project in Lake County (Des 1800067) INDOT About INDOT Central Office Welcome to the LaPorte District S.R. 912 Roadway and Ramp Project in Lake County (Des 1800067) This page covers the S.R. 912 Roadway and Ramp Project in Lake County.Project DocumentsPublic Notice Road Plans Appendix C to Appendix IGraphics Environmental Document