US 60 Corridor Study Milepost 111 to Milepost 120 Maricopa County, Arizona March 5, 2020 Prepared For: Arizona Department of Transportation Prepared by: HDR In association with Central Creative and Del Sol Group ADOT TRACS P203402P Federal ID Number: ________ US 60 Corridor Study Milepost 111 to Milepost 120 This report was funded in part through grants from the Federal Highway Administration, U.S. Department of Transportation. The contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the data, and for the use or adaptation of previously published material, presented herein. The contents do not necessarily reflect the official views or policies of the Arizona Department of Transportation or the Federal Highway Administration, U.S. Department of Transportation. This report does not constitute a standard, specification, or regulation. Trade or manufacturers’ names that may appear herein are cited only because they are considered essential to the objectives of the report. The U.S. government and the State of Arizona do not endorse products or manufacturers. US 60 Corridor Study Milepost 111 to Milepost 120 Contents 1 Introduction .......................................................................................................................................... 1 1.1 Study Area ................................................................................................................................. 1 1.2 Study Background ..................................................................................................................... 1 1.3 Study Purpose and Approach ................................................................................................... 2 1.4 Previous Studies and Plans ...................................................................................................... 2 2 Existing Conditions .............................................................................................................................. 8 2.1 Land Use ................................................................................................................................... 8 2.2 Roadway Characteristics ........................................................................................................... 8 2.3 Rail .......................................................................................................................................... 19 2.4 Transit ...................................................................................................................................... 19 2.5 Nonmotorized .......................................................................................................................... 20 2.6 Traffic Volumes ....................................................................................................................... 21 2.7 Safety ...................................................................................................................................... 24 2.8 Environmental ......................................................................................................................... 34 3 Public Scoping ................................................................................................................................... 35 4 Future Conditions .............................................................................................................................. 36 4.1 Land Use ................................................................................................................................. 36 4.2 Traffic Volumes ....................................................................................................................... 37 5 Summary of Findings ........................................................................................................................ 39 5.1 Traffic ....................................................................................................................................... 39 5.2 Safety ...................................................................................................................................... 39 6 Initial Recommendations ................................................................................................................... 40 6.1 Intersection of US 60 and SR 74 ............................................................................................. 40 6.2 Hassayampa Rest Area .......................................................................................................... 47 6.3 Access Management ............................................................................................................... 53 6.4 Area of Two-way Left-turn Lane .............................................................................................. 76 6.5 Intersection of US 60 and El Recreo Drive ............................................................................. 83 7 Additional Recommendations for Consideration ............................................................................... 89 7.1 Turn Bays ................................................................................................................................ 89 7.2 Rockfall Mitigation ................................................................................................................... 90 7.3 Animal Strikes ......................................................................................................................... 91 7.4 Sidewalk Gap .......................................................................................................................... 93 7.5 Speed Feedback Sign ............................................................................................................. 94 8 Summary ........................................................................................................................................... 95 9 Next Steps ......................................................................................................................................... 97 | i US 60 Corridor Study Milepost 111 to Milepost 120 Appendices Appendix A. Traffic Count Data Appendix B. Crash Data Appendix C. Environmental Overview Appendix D. Study Public Survey Report Appendix E. Synchro Results Appendix F. AGFD Improvement Study Comments and Recommendations Tables Table 1. Corridor Recommendations from Previous Studies ........................................................................ 5 Table 2. Turn Lane Length Guidelines ........................................................................................................ 16 Table 3. ADOT Access Guidelines ............................................................................................................. 17 Table 4. Crash Rate .................................................................................................................................... 33 Table 5. Wickenburg, County, and Arizona Population Projections ........................................................... 36 Table 6. Projected Future Traffic Volume ................................................................................................... 37 Table 7. SR 74 Lane Configuration and Signal Timing Comparison, Existing and 2040 Conditions ......... 42 Table 8. SR 74 Turn Lanes ......................................................................................................................... 43 Table 9. Scoping-level Cost Estimate for SR 74 Improvements ................................................................. 46 Table 10. Hassayampa Rest Area Turn Lanes ........................................................................................... 48 Table 11. Scoping-level Cost Estimate for Hassayampa Rest Area .......................................................... 52 Table 12. Alternative Evaluation for the Area of the Two-way Left-Turn lane ............................................ 76 Table 13. ITE Volume Estimates ................................................................................................................ 83 Table 14. Scoping-level Cost Estimate for Intersection of US 60 and El Recreo Drive ............................. 87 Table 15. Recommended Turn Lane Lengths ............................................................................................ 89 ii | US 60 Corridor Study Milepost 111 to Milepost 120 Figures Figure 1. Study Area and Adjacent Land Uses ............................................................................................. 3 Figure 2. Schematic drawing depicting the US 60 plan and profile ............................................................. 9 Figure 3. Speed Limits, Lane and Shoulder Widths, and Median Types .................................................... 14 Figure 4. Turn Lane Locations .................................................................................................................... 18 Figure 5. Access Points .............................................................................................................................. 18 Figure 6. 2019 Traffic Counts...................................................................................................................... 22 Figure 7. Crash Locations ........................................................................................................................... 23 Figure 8. Crashes