Interstate 69 SIU 15 Final Environmental Impact
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Section 1: PURPOSE AND NEED This section defines the action by the Louisiana consistent with national, state, regional, and local Department of Transportation and Development needs. (DOTD), in cooperation with the Federal Highway The proposed project, hereafter referred to as the Administration (FHWA) that is the subject of this I-69 project, would provide a divided four-lane, Environmental Impact Statement (EIS) and limited access highway on new location between establishes the purpose and need for that action. US Highway 171 (US 171) near the Town of In this section, the National, Regional and Local Stonewall in DeSoto Parish, and Interstate purposes and needs for the action are presented, Highway 20 (I–20) near the Town of Haughton in including the established logical termini and Bossier Parish, a distance of approximately 35 independent utility in the event that construction of miles. The routing and logical termini are identified adjacent Sections of Independent Utility are and described in the Corridor 18 Special Issues delayed or not completed. Study (1997) and in the I-69 (Corridor 18) Special 1.1 PROJECT DESCRIPTION Environmental Study, Task C Report - Sections of The DOTD, in cooperation with the FHWA, Independent Utility (SIU) report (1999) for SIU 15. proposes to construct a segment of the proposed The Study Area encompasses portions of Bossier, Interstate Highway 69 (I–69) in Bossier, Caddo, Caddo, and DeSoto Parishes (see Exhibit 1-2). An and DeSoto Parishes, Louisiana. The proposed evaluation of social, economic, environmental, and highway is a portion of the planned improvements engineering considerations will further refine the to Congressionally-designated High Priority proposed highway location. Corridor Number 18 (Corridor 18), which extends DOTD initiated studies for the preparation of an EIS from the Canadian border at Port Huron, Michigan for the I-69 project in April 2001. to several points on the Mexican/Texas border (see Exhibit 1-1). The purpose of 1.2 NATIONAL I-69 CORRIDOR Corridor 18 is to improve international and In the Intermodal Surface Transportation Efficiency interstate trade in accordance with national and Act of 1991 (ISTEA), the United States Congress state goals; facilitate economic development in designated certain highway corridors of national accordance with state, regional, and local policies; significance to be included in the National Highway and extend the Interstate highway system System. Twenty-one "high priority corridors" were so designated mainly in regions that are not well INTERSTATE 69 – SIU 15 FINAL ENVIRONMENTAL IMPACT STATEMENT served by the existing Interstate Highway System. renamed the I-69 Steering Committee following the The I-69 Corridor at that time was identified as passage of the Transportation Equity Act for Corridor 18 and only included the corridor between the 21st Century (TEA-21), which officially changed Indianapolis and Memphis. Congress has the corridor designation from Corridor 18 to I-69. subsequently extended the limits of I-69 to now The Arkansas State Highway and Transportation include a highway corridor from the Canadian Department (AHTD) is the administrative agency border in Michigan to the Mexican border in the acting on behalf of the I-69 Steering Committee. Lower Rio Grande Valley of Texas. In recognition of the important role that I-69 can Since 1991, several planning studies have been play, the Steering Committee adopted the following undertaken to address a variety of issues statement of overall purpose for the I-69 Corridor: associated with the Congressional designation “To improve international and interstate trade for I-69. Though the planning process, in accordance with national and state goals; to improvements within the I-69 Corridor have been facilitate economic development in accordance deemed feasible with overall travel efficiency with state, regional and local policies and benefits outweighing the overall cost of plans, and to improve surface transportation constructing and maintaining the roadway; special consistent with national, state, regional, and issues such as general locations of major river local needs and with Congressional crossings have been addressed; a nationwide designation of the corridor.” purpose and need has been established; and the 1,600-mile I-69 Corridor has been divided into 32 Sections of Independent Utility. 1.2.1 I-69 Steering Committee Following the passage of ISTEA, a Steering Committee was formed with members representing the eight states along the corridor. The member states are Texas, Louisiana, Arkansas, Mississippi, Tennessee, Kentucky, Indiana, and Michigan. Each state department of transportation and the FHWA are represented on the Steering Committee. Initially, the Steering Committee was referred to as the Corridor 18 Steering Committee but was 1-2 PURPOSE AND NEED INTERSTATE 69 – SIU 15 FINAL ENVIRONMENTAL IMPACT STATEMENT Based on the nationwide purpose established for Evansville, Memphis, Shreveport/Bossier City, the I-69 Corridor, the I-69 Steering Committee also and Houston and the Lower Rio Grande Valley) identified seven goals that include: with an Interstate highway connection. Improving international and interstate TEA-21 provided several additional stipulations for movement of freight and people by ensuring a the I-69 Corridor: safe transportation system that is accessible, Included the existing I-69 segment from integrated, and efficient while offering flexibility Indianapolis north to the Port Huron, Michigan of transportation choices in mid-America border crossing with Canada Enhancing the regional and local transportation Included existing I-94 from Port Huron, systems by providing transportation capacity to Michigan through Detroit (including the meet current and future needs Ambassador Bridge interchange) to Chicago, Facilitating economic development and Illinois enhance economic growth opportunities Required the corridor to follow the “alignment” domestically and internationally through generally identified in the Special Issues Study efficient and flexible transportation with in Indiana, Kentucky, Tennessee, Mississippi, particular emphasis being given to economic Arkansas, Louisiana, and Texas growth in the Lower Mississippi Delta region Provided for a connection from Pine Bluff, Facilitating connections to intermodal facilities Arkansas to the corridor identified in the and major ports along the corridor Special Issues Study near Monticello, Facilitating the safe and efficient movement of Arkansas persons and goods by fostering a reduction in Included connections to four ports of entry on incident risk the Mexican border in the Lower Rio Grande Upgrading existing facilities to be utilized Valley: as I-69 within the corridor to design standards . A connection to Laredo following US 59 suitable for an Interstate highway and from the Mexican border to Victoria, Texas commensurate with the projected demand . A connection to McAllen following US 281 Directly connecting the urban areas named by from the Mexican border to US 59, then Congress (the "named cities" of Indianapolis, following US 59 to Victoria, Texas 1-4 PURPOSE AND NEED FINAL ENVIRONMENTAL IMPACT STATEMENT INTERSTATE 69 – SIU 15 . US 71 from the Mexican border near Extension Compatibility Report” (Shreveport 1992), Brownsville to US 59, then following US 59 that proposed a location for Corridor 18 through the to Victoria, Texas; and Shreveport metropolitan area that: . A connection from US 77 along FM 511 to Interchanges with I-20 on the east side of the the Port of Brownsville. urban area (near Haughton) 1.2.2 Previous Studies Passes along the eastern edge of Barksdale Several planning studies have been completed in Air Force Base the ten years since I-69 was officially designated in ISTEA. Two feasibility studies (Corridor 18 and Crosses LA 1 just north of the Caddo-Bossier Corridor 20) were completed in 1995 and 1996 Port respectively. Both feasibility studies confirmed that the corridor was a feasible transportation Interchanges with I-49 south of the urban area, improvement and a prudent expenditure of public and funds. The Corridor 18 Special Issues Study Continues westerly to an interchange with (Steering Committee 1997) addressed three US 171 special issues to facilitate future location and environmental studies: The Special Issues Study noted that this location and route configuration had the support of the Economic feasibility of extending Corridor 18 mayors of both Shreveport and Bossier City, and from Houston to the Lower Rio Grande Valley accordingly, was adopted for purposes of the Traffic impacts Corridor 18 would have on I-35, Special Issues Study. and In 1999, the Special Environmental Study was Evaluating major river crossings, connections initiated to facilitate the Corridor’s transition into the between states, and connections to urban FHWA National Environmental Policy Act (NEPA) areas that would be key considerations for process. The Special Environmental Study future location and environmental studies. accomplished the following tasks: Shreveport is one of the named urbanized areas in Provided a nationwide Purpose and Need for the Congressional definition of Corridor 18. The the project, including updates to the national Special Issues Study references a 1992 City of traffic demand forecasts for both vehicles and Shreveport study “Interstate 69 and Inner Loop freight PURPOSE AND NEED 1-7 INTERSTATE 69 – SIU 15 FINAL ENVIRONMENTAL IMPACT STATEMENT Divided the 1,600-mile