July 2018 I-29 - Exit 62 to Exit 73 INTERSTATE Corridor Study 29 Project No: HP 5596 19 prepared for: South Dakota Department of Transportation 700 East Broadway Avenue Pierre, SD 57501 I-29 Exit 62 to Exit 73 Corridor Study Lincoln County, SD Project No: HP 5596 19 Prepared for: South Dakota Department of Transportation 700 East Broadway Avenue Pierre, SD 57501 Prepared by: Felsburg Holt and Ullevig 11422 Miracle Hills Drive, Suite 115 Omaha, NE 68154 402-445-4405 In Association with SRF Consulting Group, Inc. Principal-in-Charge / Project Manager: Kyle Anderson, PE, PTOE Deputy Project Manager: Mark Meisinger, PE, PTOE FHU Reference No. 17-089 July 2018 The preparation of this report has been financed in part through grant(s) from the Federal Highway Administration and Federal Transit Administration, U.S. Department of Transportation, under the State Planning and Research Program, Section 505 [or Metropolitan Planning Program, Section 104(f)] of Title 23, U.S. Code. The contents of this report do not necessarily reflect the official views or policy of the U.S. Department of Transportation. The South Dakota Department of Transportation (SDDOT) provides services without regard to race, color, gender, religion, national origin, age or disability, according to the provisions contained in SDCL 20-13, Title VI of the Civil Rights Act of 1964, the Rehabilitation Act of 1973, as amended, the Americans With Disabilities Act of 1990 and Executive Order 12898, Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations, 1994. To request additional information on the SDDOT’s Title VI/Nondiscrimination policy or to file a discrimination complaint, please contact the Department’s Civil Rights Office at 605-773-3540. TABLE OF CONTENTS Page 1.0 INTRODUCTION ------------------------------------------------------------------------------------------------------ 1-1 1.1 Project Description and Location --------------------------------------------------------------------- 1-1 1.2 Project Background --------------------------------------------------------------------------------------- 1-1 1.3 Purpose and Need for the Project -------------------------------------------------------------------- 1-3 1.4 Stakeholder Involvement ------------------------------------------------------------------------------- 1-3 1.5 Study Advisory Team ------------------------------------------------------------------------------------- 1-4 1.6 Study Process ---------------------------------------------------------------------------------------------- 1-4 1.7 Planning Context and Previous Studies -------------------------------------------------------------- 1-6 2.0 2017 EXISTING CONDITIONS ------------------------------------------------------------------------------------- 2-1 2.1 Existing Facility and Roadway Network-------------------------------------------------------------- 2-1 2.2 Description of Existing Interchanges ----------------------------------------------------------------- 2-2 2.3 Existing Land Use ------------------------------------------------------------------------------------------ 2-3 2.4 2017 Existing Traffic Volumes -------------------------------------------------------------------------- 2-3 2.5 2017 Existing Operational Analysis ------------------------------------------------------------------- 2-7 2.6 Crash History and Safety Analysis ------------------------------------------------------------------- 2-12 2.7 Safety Hot Spot Analysis------------------------------------------------------------------------------- 2-20 2.8 Intelligent Transportation Systems ----------------------------------------------------------------- 2-25 2.9 Incident, Weather, and Special Event Analysis -------------------------------------------------- 2-26 3.0 ENVIRONMENTAL REVIEW --------------------------------------------------------------------------------------- 3-1 3.1 Introduction ------------------------------------------------------------------------------------------------ 3-1 3.2 Socioeconomic Considerations and Environmental Justice ------------------------------------ 3-4 3.3 Wetlands, Waters of the US, and Waters of the state ----------------------------------------- 3-12 3.4 Floodplain Management ------------------------------------------------------------------------------ 3-13 3.5 Water Quality -------------------------------------------------------------------------------------------- 3-14 3.6 Threatened and Endangered Species and Other Protected Wildlife ----------------------- 3-15 3.7 Cultural Resources -------------------------------------------------------------------------------------- 3-18 3.8 Public Use Properties (Section 4(f) and 6(f)) ----------------------------------------------------- 3-20 3.9 Contaminated Materials Review -------------------------------------------------------------------- 3-21 3.10 Farmland -------------------------------------------------------------------------------------------------- 3-24 3.11 Airports and Heliports --------------------------------------------------------------------------------- 3-25 4.0 2045 NO BUILD TRAFFIC CONDITIONS ------------------------------------------------------------------------- 4-1 4.1 2045 Daily Traffic Forecasting Methodology ------------------------------------------------------- 4-1 4.2 Annual Change in Traffic – Alternate Sources ----------------------------------------------------- 4-3 4.3 I-29/85th Street Interchange Justification Report Traffic ---------------------------------------- 4-7 4.4 Composite 2045 Daily Traffic -------------------------------------------------------------------------- 4-7 4.5 2045 Peak Hour Traffic Forecasts ------------------------------------------------------------------- 4-10 4.6 2045 No-Build Operational Analysis ---------------------------------------------------------------- 4-13 4.7 2045 No-Build with Highway 100 Operational Analysis --------------------------------------- 4-18 4.8 2017 Existing / 2045 No-Build Worst Case Summary ------------------------------------------ 4-22 5.0 INTERIM ANALYSIS -------------------------------------------------------------------------------------------------- 5-1 5.1 Introduction ------------------------------------------------------------------------------------------------ 5-1 5.2 Interim Analysis Methodology ------------------------------------------------------------------------- 5-1 5.3 Interim Analysis Results --------------------------------------------------------------------------------- 5-2 6.0 I-29 MAINLINE SOLUTIONS --------------------------------------------------------------------------------------- 6-1 6.1 Identification of Solutions ------------------------------------------------------------------------------ 6-1 Table of Contents Page i 6.2 Roadway Design Criteria -------------------------------------------------------------------------------- 6-2 6.3 2045 Build Operational Analysis----------------------------------------------------------------------- 6-2 6.4 2045 Build with Highway 100 Operational Analysis ---------------------------------------------- 6-8 6.5 Typical Cross Sections ---------------------------------------------------------------------------------- 6-12 6.6 Pavement Replacement Needs ---------------------------------------------------------------------- 6-16 6.7 Summary of Mainline and Ramp Needs ----------------------------------------------------------- 6-17 6.8 Potential Intelligent Transportation Systems Solutions --------------------------------------- 6-20 6.9 Predictive Method Crash Prediction --------------------------------------------------------------- 6-21 6.10 Construction Cost estimate --------------------------------------------------------------------------- 6-22 7.0 EXIT 64 INTERCHANGE SOLUTIONS ----------------------------------------------------------------------------- 7-1 7.1 Identification of Solutions ------------------------------------------------------------------------------ 7-1 7.2 Roadway Design Criteria -------------------------------------------------------------------------------- 7-1 7.3 Alternatives Screening Process ------------------------------------------------------------------------ 7-2 7.4 Interchange Alternatives Descriptions --------------------------------------------------------------- 7-5 7.5 2045 Build Alternatives Analysis -------------------------------------------------------------------- 7-10 7.6 Recommended Alternatives -------------------------------------------------------------------------- 7-14 8.0 EXIT 71 INTERCHANGE SOLUTIONS ----------------------------------------------------------------------------- 8-1 8.1 Identification of Solutions ------------------------------------------------------------------------------ 8-1 8.2 Roadway Design Criteria -------------------------------------------------------------------------------- 8-1 8.3 Alternatives Screening Process ------------------------------------------------------------------------ 8-2 8.4 Interchange Alternatives Descriptions --------------------------------------------------------------- 8-5 8.5 2045 Build Alternatives Analysis -------------------------------------------------------------------- 8-15 8.6 Recommended Alternatives -------------------------------------------------------------------------- 8-23 9.0 EXIT 73 INTERCHANGE SOLUTIONS ----------------------------------------------------------------------------- 9-1 9.1 Identification of Solutions ------------------------------------------------------------------------------