Traffic Safety Resources Overview Traffic Safety Unit Structure - - PowerPoint PPT Presentation

▶
traffic safety resources overview
SMART_READER_LITE
LIVE PREVIEW

Traffic Safety Resources Overview Traffic Safety Unit Structure - - PowerPoint PPT Presentation

Jan 25, 2023 165 likes •495 views

Traffic Safety Resources Overview Traffic Safety Unit Structure Traffic Engineering Accident Analysis System (TEAAS) Corridor Studies Summary data GIS mapping Intersection Studies Summary data

slide-1
SLIDE 1

Traffic Safety Resources

slide-2
SLIDE 2
  • Traffic Safety Unit Structure
  • Traffic Engineering Accident Analysis System (TEAAS)
  • Corridor Studies
  • Summary data
  • GIS mapping
  • Intersection Studies
  • Summary data
  • Collision diagrams
  • Highway Safety Improvement Program (HSIP)
  • High Frequency Crash Location Maps
  • Website Resources
  • Statewide average crash rates
  • Crash Facts
  • GIS data

Overview

slide-3
SLIDE 3

3

Traffic Safety Unit Structure

slide-4
SLIDE 4
  • Traffic Safety Unit Structure
  • Mobility and Safety Field Operations Section
  • 8 Field offices across the State
  • Field investigations and safety project development
  • Mobility and Safety Information Section
  • Traffic counts, ordinances
  • Highway Safety Improvement Program (HSIP) Group
  • Manage HSIP program (network screening)
  • Safety Evaluation Group
  • Evaluate Safety projects and programs
  • Safety Planning Group
  • Influence TIP projects with data and interpretation through the project

development process, fatal program administration, customer service requests (citizens, consultants, municipal government, etc.)

Overview

slide-5
SLIDE 5

5

Traffic Engineering Accident Analysis System (TEAAS)

slide-6
SLIDE 6
  • Main Functions
  • Intersection Analysis
  • Section Analysis
  • City / County Reports
  • Ordinance Data

Traffic Engineering Accident Analysis System (TEAAS)

slide-7
SLIDE 7
  • Main Functions
  • Intersection Analysis

Traffic Engineering Accident Analysis System (TEAAS)

slide-8
SLIDE 8
  • Main Functions
  • Section Analysis

Traffic Engineering Accident Analysis System (TEAAS)

slide-9
SLIDE 9
  • Main Functions
  • City / County Reports

Traffic Engineering Accident Analysis System (TEAAS)

slide-10
SLIDE 10
  • Main Functions
  • Ordinance Data
  • TEAAS is the official source of ordinance data (e.g. speed limits)

Traffic Engineering Accident Analysis System (TEAAS)

slide-11
SLIDE 11
  • Main Functions
  • Intersection Analysis
  • Section Analysis
  • City / County Reports
  • Ordinance Data
  • Training
  • Training is offered by the Highway Safety Research Center (HSRC) at UNC-

CH

  • Training is free to government employees (NCDOT covers cost)
  • Software is free
  • Upcoming classes and reference material online
  • https://connect.ncdot.gov/resources/safety/Pages/TEAAS-Crash-Data-System.aspx

Traffic Engineering Accident Analysis System (TEAAS)

slide-12
SLIDE 12

12

Corridor Studies

slide-13
SLIDE 13
  • Corridor Studies
  • Can help analyze crash patterns along a corridor
  • Tabular data
  • Graphical data

Corridor Studies

slide-14
SLIDE 14

14

Intersection Studies

slide-15
SLIDE 15
  • Intersection Studies
  • Can help analyze crash patterns at an intersection
  • Tabular data
  • Collision Diagrams

Intersection Studies

slide-16
SLIDE 16
  • Intersection Studies
  • Can help analyze crash patterns at an intersection
  • Tabular data
  • Collision Diagrams
  • MicroStation add-in

Intersection Studies

slide-17
SLIDE 17

17

Highway Safety Improvement Program (HSIP)

slide-18
SLIDE 18
  • HSIP Purpose
  • To reduce the number and severity of crashes, and to reduce the potential for

crashes on all public highways

  • Provides a systematic procedure that identifies, reviews and addresses traffic

safety concerns throughout the state.

HSIP

2014 Safety Warrants

Intersection Warrants:

  • I-1: Frontal Impact
  • I-2: Last Year Increase
  • I-3: Severity Index
  • I-4: Night Condition
  • I-5: 10-Year Chronic Crossing Pattern

Section Warrants:

  • N-1 and F-1: Run Off Road during Wet Road Conditions
  • N-2 and F-2: Run Off Road
  • N-3 and F-3: Wet Road Condition
  • N-4 and F-4: Night Condition

Bicycle and Pedestrian Intersection Warrant:

  • BP-1 Chronic Location
slide-19
SLIDE 19
  • HSIP Reports

HSIP

slide-20
SLIDE 20

20

High Frequency Crash Location Data

slide-21
SLIDE 21
  • High Frequency Crash Location Data
  • Shows planning level crash frequencies grouped by intersection
  • Updates currently in progress

High Frequency Crash Location Data

slide-22
SLIDE 22

22

Website Resources

slide-23
SLIDE 23
  • Statewide Average Crash Rates
  • Statewide average crash rates by facility type and cross section

Website Resources

slide-24
SLIDE 24
  • Crash Facts
  • Various end of year reporting statistics regarding crashes in NC

Website Resources

slide-25
SLIDE 25
  • Mapping Resources
  • Various categorized mapped crash data

Website Resources

slide-26
SLIDE 26
  • Mapping Resources
  • Various categorized mapped crash data
  • GO! NC mapping
  • Fatal Crash Mapping

Website Resources

slide-27
SLIDE 27
  • Mapping Resources
  • Various categorized mapped crash data
  • GO! NC mapping
  • Speed limits

Website Resources

slide-28
SLIDE 28
  • North Carolina Strategic Highway Safety Plan
  • Statewide comprehensive, and collaborative approach for reducing fatalities

and serious injuries on North Carolina’s roadways

  • http://www.ncshsp.org/

Website Resources

slide-29
SLIDE 29

29

Summary

slide-30
SLIDE 30
  • Lots of safety data available online
  • Self service tools (TEAAS) available as well
  • The Traffic Safety Unit is available help you obtain the safety data

you need

  • Let us know how we can help!

Summary

slide-31
SLIDE 31

31

Questions / Discussion Contact Information

Reza Jafari, PhD, PE, PTOE Transportation Engineer rrjafari@ncdot.gov (919) 707-0921 Brian Murphy, PE Safety Planning Engineer bgmurphy@ncdot.gov (919) 773-2895 https://connect.ncdot.gov/resources/safety/Pages/default.aspx