Search
Environmental
The Environmental Section's mission is to provide environmental planning, analysis and documentation in accordance with the National Environmental Policy Act, to obtain scenic stream, wetland, coastal use, levee and bridge permits for departmental projects and to administer DOTD's environmental compliance programs.
Projects & Public Notices
The Projects & Public Notices page is where you can find environmental documentation and public involvement materials. Click the link below and navigate to the district region or parish the project of interest is located.
MyDOTD
Featured Projects
I-49 Lafayette Connector
The I-49 Lafayette Connector is a future 5.5-mile segment of limited-access highway that will extend I-49 from I-10 to the Lafayette Regional Airport. It is a critical transportation link for Lafayette and the state as a whole.
External Website
Supplemental Environmental Impact Statements (SEIS)
Draft SEIS – I 49 Lafayette Connector 7 2026
Appendix Front Matter – Table Of Contents
Appendix A 2003 ROD C5 And C6
Appendix B Traffic Report
Appendix C ROD Commitments
Appendix D Tricolored Bat Survey Report
Appendix E Full And Partial Acquisition And Displacement Tables
Appendix F Section 106 Programmatic Agreement
Appendix G Section 4F Impacts On Beaver Park And Mitigation
Appendix H Noise Report
Appendix I Floodplain Documentation
Appendix J Wetlands Report
Appendix K Natural Resource Conservation Service Determination
Appendix L Louisiana Department Of Wildlife And Fisheries Determination
Appendix M CSS Design Manual
Appendix N Drainage Report
Appendix O Preferred Alternative
Appendix P NOI SOV Letter Recipients And Responses
Appendix Q Enviromental Checklist
Appendix R Meetings And Outreach
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: 'Newtonsoft.Json.Linq.JValue' does not contain a definition for 'macroAlias' at CallSite.Target(Closure, CallSite, Object) at System.Dynamic.UpdateDelegates.UpdateAndExecute1[T0,TRet](CallSite site, T0 arg0) at CallSite.Target(Closure, CallSite, Object) at AspNetCore.Views_Partials_grid_editors_macro.ExecuteAsync() at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context) at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts) at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context) at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.RenderPartialCoreAsync(String partialViewName, Object model, ViewDataDictionary viewData, TextWriter writer) at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.PartialAsync(String partialViewName, Object model, ViewDataDictionary viewData) at AspNetCore.Views_Partials_grid_editors_base.ExecuteAsync() in C:\inetpub\wwwroot\DOTD\Views\Partials\grid\editors\base.cshtml:line 6