County Road 395 Safety Review South Walton Community Council - PowerPoint PPT Presentation

County Road 30A at County Road 395 Safety Review South Walton Community Council Walton County, Florida 2018 August 14

Study Purpose • Support SWCC in review of the CR 30A and CR 395 intersection improvements and signalization plans • Evaluate crash trends • Bicycle and pedestrian safety review

Review of Signal Warrant 2016 Traffic Study – Atkins • CR 30A – Est. 9,400 ADT • CR 395 – Est. 10,900 ADT • Traffic signal at the intersection of CR 30A & CR 395 implemented successfully

Review of Intersection Improvement Plans

5-Year Crash Analysis UF Signal Four Analytics • Data collected for 2013-2017 within a half-mile radius of the study intersection 57 Total Crashes Injury Crash Types • No fatal crashes Angle, 1 Rollover, 1 • 12 injury crashes Pedestrian, 1 • 4 bicycle crashes Rear End, 6 • 1 pedestrian crash Bicycle, 3

5-Year Crash Analysis Crash Trends • 13% under dark conditions • 23% under wet conditions • 52% in May, June, July and August 10 Average (5 crashes ) No. of Crashes, 2013-2017 8 6 4 2 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month

5-Year Crash Analysis

T-Intersection Conflict Points • 9 vehicle-vehicle conflicts Total 17 Conflict • 8 vehicle-pedestrian conflicts Points CR 395 CR 30A

Crash Costs Crash Severity Comprehensive Crash Cost $10,230,000 Fatalities Incapacitating Injuries $580,320 Non-incapacitating Injuries $157,170 Minor Injuries $97,650 Property Damage Only $7,600 Source: FDOT PPM, Chapter 23, Table 23.6.2

Crash Costs (2013-2017) Total Cost: $2,825,100 Comprehensive Number of Crash Severity Total Crash Cost Occurrences Fatalities $10,230,000 0 $0 Incapacitating Injuries $580,320 1 $580,320 Non-incapacitating Injuries $157,170 9 $1,414,530 Minor Injuries $97,650 5 $488,250 Property Damage Only $7,600 45 $342,000 Total Cost = $2,825,100 Source: FDOT PPM, Chapter 23, Table 23.6.2

Recommendations • Relocate existing trail to the south side of CR 30A to reduce conflicts ✓ Results in a 40% decrease in vehicle to pedestrian conflicts at the study intersection ✓ Consistent with the Atkins 2016 Traffic Study and recommendation of County Engineer 10 No. of Crashes, 2013-2017 8 6 4 2 0 6 AM 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM Source: Kimley-Horn and Associates, Inc. – CR 30A at CR 395 Safety Study, 2018 Source: Atkins – CR 30A Traffic Study, 2016