SCDOT Intersection Safety Program 1 TAMP Safety Targets TAMP - - PowerPoint PPT Presentation

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SCDOT Intersection Safety Program 1 TAMP Safety Targets TAMP - - PowerPoint PPT Presentation

Nov 17, 2023 190 likes •397 views

SCDOT Intersection Safety Program 1 TAMP Safety Targets TAMP targets and Safety Program Funding Levels are in accordance with the 10-year Plan & Approved by the Commission at their March 2018 meeting Safety Performance Average Annual

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SLIDE 1

1

SCDOT Intersection Safety Program

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SLIDE 2

TAMP Safety Targets

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Safety Performance Measure 2016 Baseline Condition 10-Year Target Average Annual Funding Level

Fatalities (Statewide) 890 5 Year Rolling Average 886 5 Year Rolling Average $99M Fatality Rate 1.75 5 Year Rolling Average 1.34 5 Year Rolling Average Number of Serious Injuries 3194 5 Year Rolling Average 2573 5 Year Rolling Average Serious Injury Rate 6.30 5 Year Rolling Average 3.89 5 Year Rolling Average Non-Motorized Fatalities & Serious Injuries 376 5 Year Rolling Average 368 5 Year Rolling Average

TAMP targets and Safety Program Funding Levels are in accordance with the 10-year Plan & Approved by the Commission at their March 2018 meeting

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SLIDE 3

TAMP Safety Targets Progress

3 971 1003 1001 986 966 946 926 906 886 969

600 700 800 900 1000 1100 14-18 15-19 16-20 17-21 18-22 19-23 20-24 21-25 22-26

Traffic Fatalities

Target Actual

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SLIDE 4

TAMP Safety Targets Progress

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Safety Established Targets (2014-2018) Actual (2014-2018) Difference

Fatalities (Statewide) 970.8 969.4

  • 1.40

99.86% Fatality Rate 1.81 1.80

  • 0.01

99.40% Number of Serious Injuries 3072.6 2961.6

  • 111.00

96.39% Serious Injury Rate 5.71 5.54

  • 0.16

97.15% Non-Motorized Fatalities & Serious Injuries 370.8 380.8 10.00 102.70%

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SLIDE 5

SCDOT Safety Investment Plan Recap (Approved March 2018)

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Emphasis Area: Roadway Departure $70M Emphasis Area Allocation Rural Road Safety Program $50M Interstate Safety Program $11M Rumble Strips Installation Program $9M Emphasis Area: Intersections & Other High-Risk Locations $22M Emphasis Area Allocation Intersection Safety Projects $13M Railroad Safety Projects $4M Workzone Enforcement Included in Project Costs Target Zero Enforcement Teams Previously Allocated Road Safety Assessments & Implementation $5M Emphasis Area: Vulnerable Road Users $5M Emphasis Area Allocation Pedestrian & Bicycle Safety Projects $5M Safety Data Analytics $2M Emphasis Area Allocation

Total Annual Funding $99M

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SLIDE 6

SC Intersection Crash Analysis

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DOT Safety Plan Areas Annual Funding Level Intersections

  • Intersection Safety Projects
  • $13M

Angle 61% Rear End 21% Non Vehicle (Bike&Peds) 11% Head On 4% Sideswipe 3% Intersections without F&I Crash 88% Intersections with F&I Crash 12%

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SLIDE 7

Proven Intersection Countermeasures

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» Roundabouts

  • SCDOT Safety Office h

has c completed 1 19 roundabouts

  • 66%

66% reduction i in total c crash shes s

» Alte

ternati tive Inter ersec section D n Desi signs ( s (R-CUT) T)

  • 55

55% re reduction

  • n i

in tota tal c cra rashes

» Traffic S

c Signa nals/ s/Sign gns

» Pavemen

ent Markings ngs

» Impr

proved ed Sight Distanc nce

» Backpl

plates es with h Ret etroreflect ective e Border ders

» Access

ess Mana nagem emen ent (Corrido dor A Appr proach)

» Road

ad Diets (Corridor Approac ach)

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SLIDE 8

Intersection Safety List Selection Criteria

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  • Intersections that have a fatal and injury percentile

greater than the statewide average.

  • Final candidate list was sorted by crash rate and

analyzed by traffic safety engineers.

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SLIDE 9

Safety Program Intersection List

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Commission List Ranking County Name Route Type Name Route Number Intersecting Route Total Number

  • f Crashes

Total Fatal & Injury Crashes (F&I) (F&I) Percentile Crash Rate (CR) 2020-1 YORK S- 54 S- 80 27 8 30% 4.11 2020-2 RICHLAND SC 16 S- 228 54 22 41% 3.70 2020-3 GREENVILLE S- 27 S- 83 28 10 36% 3.41 2020-4 LEE US 401 SC 341 18 7 39% 3.16 2020-5 CHARLESTON S- 76 S- 2421 156 45 29% 2.99 2020-6 LEXINGTON US 21 S- 1258 34 12 35% 2.85 2020-7 SPARTANBURG S- 908 L- 745 27 11 41% 2.63 2020-8 SPARTANBURG SC 292 L-851 47 13 28% 2.54 2020-9 COLLETON US 15 SC 61 27 16 59% 2.43 2020-10 FLORENCE S- 12 S- 13 71 20 28% 2.34 2020-11 PICKENS SC 135 S- 95 17 8 47% 2.20 2020-12 HORRY US 501 L- 8968 / S-905 83 34 41% 2.13 2020-13 GREENVILLE SC 81 S- 327 48 13 27% 2.13 2020-14 ANDERSON US 29 S- 96 28 13 46% 2.00 2020-15 BERKELEY US 176 S- 135 22 11 50% 1.93 2020-16 CHARLESTON S- 169 S- 881 41 14 34% 1.91 2020-17 NEWBERRY SC 34 SC 39 18 6 33% 1.75 2020-18 YORK US 21 S- 162 30 15 50% 1.72

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SLIDE 10

County: YORK Intersecting Routes: S-54 & S-80 List Ranking: 2020-1 District: 4

2020-1

County: RICHLAND Intersecting Routes: SC 16 & S-228 List Ranking: 2020-2 District: 1

2020-2

10

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SLIDE 11

County: GREENVILLE Intersecting Routes: S-27 & S-83 List Ranking: 2020-3 District: 3

2020-3

County: LEE Intersecting Routes: US 401 & SC 341 List Ranking: 2020-4 District: 1

2020-4

11

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SLIDE 12

County: CHARLESTON Intersecting Routes: S-76 & S-2421 List Ranking: 2020-5 District: 6

2020-5

County: LEXINGTON Intersecting Routes: US 21 & S-1258 List Ranking: 2020-6 District: 1

2020-6

12

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SLIDE 13

County: SPARTANBURG Intersecting Routes: S-908 & L-745 List Ranking: 2020-7 District: 3

2020-7

County: SPARTANBURG Intersecting Routes: SC 292 & L-851 List Ranking: 2020-8 District: 3

2020-8

13

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SLIDE 14

County: COLLETON Intersecting Routes: US 15 & SC 61 List Ranking: 2020-9 District: 6

2020-9

County: FLORENCE Intersecting Routes: S-12 & S-13 List Ranking: 2020-10 District: 5

2020-10

14

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SLIDE 15

County: PICKENS Intersecting Routes: SC 135 & S-95 List Ranking: 2020-11 District: 3

2020-11

County: HORRY Intersecting Routes: US 501 & L-8968/S-905 List Ranking: 2020-12 District: 5

2020-12

15

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SLIDE 16

County: GREENVILLE Intersecting Routes: SC 81 & S-327 List Ranking: 2020-13 District: 3

2020-13

County: ANDERSON Intersecting Routes: US 29 & S-96 List Ranking: 2020-14 District: 2

2020-14

16

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SLIDE 17

County: BERKELEY Intersecting Routes: US 176 & S-135 List Ranking: 2020-15 District: 6

2020-15

County: CHARLESTON Intersecting Routes: S-169 & S-881 List Ranking: 2020-16 District: 6

2020-16

17

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SLIDE 18

County: NEWBERRY Intersecting Routes: SC 34 & SC 39 List Ranking: 2020-17 District: 2

2020-17

County: YORK Intersecting Routes: US 21 & S-162 List Ranking: 2020-18 District: 4

2020-18

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SLIDE 19

Commission Recommendation

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In accordance with Act 114 of 2007, which requires the SCDOT Commission to select projects for funding based on objective and quantifiable factors, the Commission approves the Secretary’s recommended ranked project list for the 2020-2021 Intersection Safety Program. The proposed 2020-2021 Intersection Safety Project List is to be open for 21-days of public comment with any substantive comments to be provided to the Commission for its consideration. Barring any substantive comments, the projects are to be incorporated into the State Transportation Improvement Program (STIP).

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SLIDE 20

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SCDOT Intersection Safety Program