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Ohio DOT - Predictive Analysis Configuration

Lauren Miller avatar
Written by Lauren Miller
Updated over 3 months ago

The Predictive Analysis application facilitates creating, managing, evaluating, and updating an agency’s Safety Performance Functions (SPFs) in an easily accessible interface.

Learn more about the Predictive Analysis application here.

Segments: Predictive Attributes

The following outlines Ohio’s chosen predictive attributes used to generate Optimal Fit SPF groupings for segments:

Urban/Suburban/Rural

  • Rural

  • Suburban

  • Urban

Subgroup Type

  • Undivided Urban Signal 4-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Urban All Way Stop, All Way with Flasher 4-Leg

  • Undivided Urban Signal 3-Leg

  • Undivided Rural Signal 3-Leg

  • Urban Roundabout Single Lane 4-Leg

  • Undivided Rural Control 5-Leg

  • Rural Roundabout Single Lane 3-Leg

  • Divided Rural All Way Stop

  • All Way With Flasher 3-Leg

  • Divided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Divided Rural Signal 4-Leg

  • Divided Rural Signal 3-Leg

  • Undivided Rural All Way Stop

  • Undivided Urban Control 5-Leg

  • Undivided Urban Yield 4-Leg

  • Urban Roundabout 2-Lane 4-Leg

  • Urban Roundabout 2-Lane 3-Leg

  • Divided Urban All Way Stop

  • Rural Roundabout 2+ Lanes 4-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Undivided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Undivided Urban All Way Stop, All Way With Flasher 3-Leg

  • Undivided Urban Signal 5+ Legs

  • Undivided Rural Signal 4-Leg

  • Divided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Divided Urban Signal 4-Leg

  • Divided Urban Signal 3-Leg

  • Divided Urban Signal 5+ Legs

  • Divided Rural Signal 5+ Legs

  • Divided Urban All Way Stop, All Way With Flasher 3-Leg

  • Divided Urban Control 5-Leg

  • Divided Rural Control 5-Leg

  • Urban Roundabout 2-Lane 5+ Legs

  • Urban Roundabout Single Lane 5+ Legs

  • Rural Roundabout 2+ Lanes 5+ Legs

  • Rural Roundabout Single Lane 5+ Legs

Crash Attribute

  • All Crashes

  • Fatal & All Injury

Requirements for Optimal Fit Creation

  • Minimum Crashes: 100

  • Minimum Segments: 50

Intersections: Predictive Attributes

The following outlines Ohio’s chosen predictive attributes used to generate Optimal Fit SPF groupings for intersections:

Urban/Suburban/Rural

  • Rural

  • Suburban

  • Urban

Agency Site Subtype

  • Divided Rural All Way Stop 3-Leg

  • Divided Rural All Way Stop, All Way With Flasher 4-Leg

  • Divided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Divided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Divided Rural Signal 3-Leg

  • Divided Rural Signal 4-Leg

  • Rural Roundabout 2+ Lanes 4-Leg

  • Rural Roundabout Single Lane 3-Leg

  • Rural Roundabout Single Lane 4-Leg

  • Undivided Rural All Way Stop, All way with Flasher 3-Leg

  • Undivided Rural All Way Stop, All way with Flasher 4-Leg

  • Undivided Rural Control 5-Leg

  • Undivided Rural No Control 5-Leg

  • Undivided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Undivided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Rural Signal 3-Leg

  • Undivided Rural Signal 4-Leg

  • Undivided Rural Yield 3-Leg

  • Undivided Rural Yield 4-Leg+

  • Divided Urban All Way Stop, All Way With Flasher 3-Leg

  • Divided Urban All Way Stop, All Way With Flasher 4-Leg

  • Divided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Divided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Divided Urban Signal 3-Leg

  • Divided Urban Signal 4-Leg

  • Undivided Rural No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Urban All Way Stop, All Way With Flasher 3-Leg

  • Undivided Urban All Way Stop, All Way With Flasher 4-Leg

  • Undivided Urban Control 5-Leg

  • Undivided Urban No Control 5-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Urban Signal 3-Leg

  • Undivided Urban Signal 4-Leg

  • Undivided Urban Yield 3-Leg

  • Undivided Urban Yield 4-Leg

  • Urban Roundabout 2+ Lanes 3-Leg

  • Urban Roundabout 2+ Lanes 4-Leg

  • Urban Roundabout Single Lane 3-Leg

  • Urban Roundabout Single Lane 4-Leg

  • Divided Urban All Way Stop, All Way With Flasher 3-Leg

  • Divided Urban All Way Stop, All Way With Flasher 4-Leg

  • Divided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Divided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Divided Urban Signal 3-Leg

  • Divided Urban Signal 4-Leg

  • Undivided Urban All Way Stop, All Way With Flasher 3-Leg

  • Undivided Urban All Way Stop, All Way With Flasher 4-Leg

  • Undivided Urban Control 5-Leg

  • Undivided Urban No Control 5-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 3-Leg

  • Undivided Urban No Control, Yield, Two Way Stop, Two Way With Flasher 4-Leg

  • Undivided Urban Signal 3-Leg

  • Undivided Urban Signal 4-Leg

  • Undivided Urban Yield 3-Leg

  • Undivided Urban Yield 4-Leg

  • Urban Roundabout 2+ Lanes 3-Leg

  • Urban Roundabout 2+ Lanes 4-Leg

  • Urban Roundabout Single Lane 3-Leg

  • Urban Roundabout Single Lane 4-Leg

Crash Attribute

  • All Crashes

  • Fatal & All Injury

Requirements for Optimal Fit Creation

  • Minimum Crashes: 100

  • Minimum Segments: 50

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