8. DESCRIPTION OF ALTERNATIVES ..... 38 8.1 2045 D1RPM AADT ..... 38 8.2 Volume Development ..... 38 8.3 No-Build Alternative ..... 39 8.3.1 Future Year Land Use ..... 39 8.3.2 Future Year Adjacent Developments ..... 43 8.3.3 Volume Development ..... 45 8.4 Build Alternative - General – Purpose Lane Widening ..... 50
9. PREDICTIVE SAFETY ..... 54
10. SUMMARY/CONCLUSION ..... 55

List of Figures

Figure 3-1 – Project Location.....6 Figure 4-1 – Lane Configuration and Functional Classification .....8 Figure 4-2 - 2023 AADT from Florida Traffic Online .....9 Figure 4-3 - 2023 T-Factor from Florida Traffic Online .....10 Figure 5-1 – US 27 Alternative Study Subarea Map .....12 Figure 6-1 – TAZ Employment Adjustments in Highlands County .....20 Figure 7-1 – US 27 Crash Summary and Heat Map (2019-2023) .....26 Figure 7-2 – Fatal and Serious Injury Crashes along US 27 .....27 Figure 7-3 - Harmful Events Crash Summary along US 27 .....28 Figure 7-4 - Contributing Causes, Lighting Conditions and Weather Conditions along US 27 .....29 Figure 7-5 - Intersection Related Crash Summary .....31 Figure 7-6 - Bicycle and Pedestrian Crash Severity Trends along US 27 .....32 Figure 7-7 - Bicycle and Pedestrian Crash Locations along US 27 .....34 Figure 7-8 - Truck Crash Locations along US 27 .....36 Figure 8-1 – 2015-2045 Zonal Population Growth .....41 Figure 8-2 – 2015-2045 Zonal Employment Growth .....42 Figure 8-3 – Adjacent Projects .....44 Figure 8-4 – 2045 No-Build AADTs .....47 Figure 8-5 – 2045 No-Build Peak Hour LOS .....48 Figure 8-6 – 2045 No-Build Daily Truck Volume .....49 Figure 8-7 – Build Alternative -General-Purpose Lane Widening AADT .....52 Figure 8-8 – Build Alternative - General-Purpose Lane Widening LOS .....53

Traffic Technical Memo - Highlands County Feasibility Study

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August 2024