I-95 395 HOT Lane Project Volume 1
Total Page:16
File Type:pdf, Size:1020Kb
K Awadika3 I-95/I-395 HOV/Bus/HOT Lanes Interchange Justification Report Volume 1 January 7, 2009 PRESENTED TO: Virginia Department of Transportation & Federal Highway Administration PREPARED FOR: Fluor Enterprises 4900 Seminary Road Suite 300 Alexandria, VA 22331 PREPARED BY: HNTB Corporation 2900 South Quincy Street Suite 200 Arlington, VA 22206 I-95/I-395 HOV/Bus/HOT Lanes Interchange Justification Report January 7, 2009 PRESENTED TO: Virginia Department of Transportation & Federal Highway Administration PREPARED FOR: Fluor Enterprises 4900 Seminary Road Suite 300 Alexandria, VA 22331 PREPARED BY: HNTB Corporation 2900 South Quincy Street Suite 200 Arlington, VA 22206 This document was prepared in a manner consistent with the Federal and State requirements and processes to be utilized in the development of an Interchange Justification Report as documented in the Virginia Department of Transportation Location and Design Division Instructional and Informational Memorandum LD-200.3 Table of Contents ES - EXECUTIVE SUMMARY ..........................................................................................................ES - 1 I. PROJECT BACKGROUND ............................................................................................................... 1 A. PROJECT DESCRIPTION...................................................................................................................... 1 B. COMPREHENSIVE INTERSTATE NETWORK......................................................................................... 5 C. RELATIONSHIP TO OTHER HIGHWAY IMPROVEMENT PLANS............................................................. 5 D. COMMUNITIES OR ACTIVITIES DIRECTLY SERVED ............................................................................ 8 II. NEED AND PURPOSE....................................................................................................................... 9 III. STUDY AREA .................................................................................................................................. 11 IV. ALTERNATIVES CONSIDERED ................................................................................................... 15 A. NO-BUILD ALTERNATIVE ............................................................................................................... 15 B. BUILD ALTERNATIVE...................................................................................................................... 15 V. ROADWAY GEOMETRY ............................................................................................................... 18 A. NUMBER OF MAINLINE AND CROSSROAD LANES............................................................................ 18 B. DESIGN EXCEPTIONS FOR SUBSTANDARD FEATURES...................................................................... 18 C. DESIGN WAIVERS FOR SUBSTANDARD FEATURES .......................................................................... 19 VI. TRAFFIC VOLUMES....................................................................................................................... 20 A. TRAFFIC VOLUME COUNTS ............................................................................................................. 20 B. TRAFFIC FORECASTS AND METHODOLOGY..................................................................................... 22 C. TRAFFIC VOLUME ANALYSIS .......................................................................................................... 24 VII. TRAFFIC ANALYSIS ...................................................................................................................... 25 A. EXISTING CONDITIONS.................................................................................................................... 28 B. 2015 NO-BUILD ANALYSIS ............................................................................................................. 30 C. 2015 BUILD ANALYSIS ................................................................................................................... 33 D. 2030 NO-BUILD ANALYSIS ............................................................................................................. 38 E. 2030 BUILD ANALYSIS ................................................................................................................... 42 F. NO-BUILD VERSUS BUILD COMPARISON SUMMARY ...................................................................... 47 G. INTERSECTION ANALYSIS ................................................................................................................ 47 H. SYSTEM-WIDE BENEFITS ................................................................................................................ 54 I. VOLUME AND CAPACITY ANALYSIS ............................................................................................... 55 J. OPERATIONAL ANALYSIS................................................................................................................ 57 I. CRASH DATA .................................................................................................................................. 68 VIII. LAND USE........................................................................................................................................ 73 A. CURRENT LAND USE....................................................................................................................... 73 B. LAND USE PLANS AND FUTURE LAND USE..................................................................................... 76 C. ACTIVITY CENTERS......................................................................................................................... 77 D. UTILITIES ........................................................................................................................................ 79 E. RIGHT-OF-WAY .............................................................................................................................. 79 F. LAND USE IMPACTS ........................................................................................................................ 79 IX. ENVIRONMENTAL COMPLIANCE.............................................................................................. 82 X. CONCEPTUAL GUIDE SIGN LAYOUTS...................................................................................... 83 I-95/I-395 HOV/BUS/HOT LANES IJR i January 7, 2009 List of Figures The following figures are located in Volume 2 (11 x 17 format) of the report. FIGURE I-1 EXISTING AND PROPOSED TYPICAL SECTIONS FIGURE I-2 ROADWAY NETWORK FIGURE I-3 COMMUNITIES AND ACTIVITIES DIRECTLY SERVED FIGURE III-1 LOCATION MAP FIGURE III-2 PROJECT STUDY AREA FIGURE V-1 LANE DIAGRAMS EXISTING FIGURE V-2 LANE DIAGRAMS NO-BUILD FIGURE V-3 LANE DIAGRAMS BUILD FIGURE V-4 LOCATIONS OF DESIGN EXCEPTIONS AND WAIVERS FIGURE VI-1 AM/PM PEAK HOUR VOLUMES EXISTING FIGURE VI-2 ADT VOLUMES EXISTING, 2015 NO-BUILD, 2015 BUILD, 2030 NO-BUILD AND 2030 BUILD FIGURE VI-3 AM/PM PEAK HOUR VOLUMES YEAR 2015 NO-BUILD FIGURE VI-4 AM/PM PEAK HOUR VOLUMES YEAR 2015 BUILD FIGURE VI-5 AM/PM PEAK HOUR VOLUMES DESIGN YEAR 2030 NO-BUILD FIGURE VI-6 AM/PM PEAK HOUR VOLUMES DESIGN YEAR 2030 BUILD FIGURE VI-7 AM/PM PEAK HOUR VOLUMES OFF SYSTEM INTERSECTIONS FIGURE VII-1 AM PEAK HOUR LEVELS OF SERVICE EXISTING FIGURE VII-2 PM PEAK HOUR LEVELS OF SERVICE EXISTING FIGURE VII-3 AM PEAK HOUR LEVELS OF SERVICE 2015 (NO-BUILD AND BUILD) FIGURE VII-4 PM PEAK HOUR LEVELS OF SERVICE 2015 (NO-BUILD AND BUILD) FIGURE VII-5 AM PEAK HOUR LEVELS OF SERVICE 2030 (NO-BUILD AND BUILD) FIGURE VII-6 PM PEAK HOUR LEVELS OF SERVICE 2030 (NO-BUILD AND BUILD) FIGURE VII-7 AM AND PM PEAK HOUR LEVELS OF SERVICE (SPRINGFIELD INTERCHANGE) FIGURE VII-8 COMPARISON OF LOS IMPACTS (ANALYSIS YEARS 2015 AND 2030) AM FIGURE VII-9 COMPARISON OF LOS IMPACTS (ANALYSIS YEARS 2015 AND 2030) PM FIGURE VII-10 TRAFFIC OPERATIONS COMPARISON BUILD VS. NO-BUILD 2015 AND 2030 FIGURE VII-11 VOLUME/CAPACITY COMPARISON BUILD VS. NO-BUILD 2015 AND 2030 FIGURE VII-12 EADS STREET OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-13 SHIRLINGTON OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-14 SEMINARY ROAD OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-15 FRANCONIA-SPRINGFIELD PARKWAY OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-16 FAIRFAX COUNTY PARKWAY OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-17 GORDON BOULEVARD OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-18 PRINCE WILLIAM PARKWAY OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-19 SOUTHERN TERMINUS OPERATIONAL STUDY AND CONCEPTUAL LAYOUT FIGURE VII-20 EXISTING CRASH LOCATIONS (2004-2006) FIGURE VIII-1 EXISTING LAND USE I-95/I-395 HOV/BUS/HOT LANES IJR ii January 7, 2009 List of Tables The following tables are located in Volume 2 (11 x 17 format) of the report. TABLE IV- 1 INTERCHANGE SPACING TABLE VI- 1 K FACTORS Appendices The following appendices are located in Volume 3 (11 x 17 format) of the report. APPENDIX A LETTERS OF COMMITMENT APPENDIX B CERTIFIED TRAFFIC DATA APPENDIX C HCS INPUT DATA, WORKSHEETS, AND LOS COMPARISON DATA APPENDIX D ENVIRONMENTAL DOCUMENT APPROVAL APPENDIX E I-95/I-395/I-495 INTERCHANGE MODIFICATION REPORT APPENDIX F CONCEPTUAL GUIDE SIGN LAYOUTS APPENDIX G OPERATIONAL ANALYSIS DATA I-95/I-395 HOV/BUS/HOT LANES IJR iii January 7, 2009 ES - EXECUTIVE SUMMARY Background The Virginia Department of Transportation (VDOT) requests approval of a proposed interchange modification and access change