970 likes | 1.04k Views
Discover a range of resources for crash analysis in Iowa, serving diverse users including federal, state, and local entities. Explore needs, requests, and examples to enhance safety. Visit the Iowa DOT website for valuable data.
E N D
Iowa’s Crash Data Analysis ResourcesServing a Wide Spectrum of Users Michael D. Pawlovich, Ph.D., P.E. Iowa Department of Transportation, Highway Division, Engineering Bureau, Office of Traffic and Safety 800 Lincoln Way Ames, Iowa 50010 P: (515) 239-1428 F: (515) 239-1891 Michael.Pawlovich@dot.iowa.gov
Overview • A Crash Analysis Continuum • Users/Customers • Needs/Wants & Resources • Examples
A Crash Analysis Continuum SICL/Comparables National Research CMaT/IMAT Raw Data SAVER WWW CARE ITSDS CODES Annual Requests Special Requests Less User Interaction More
Users/Customers • Wide Spectrum!!! • Federal • State • Local
Users/Customers - Federal • FHWA • FMCSA • NHTSA • BTS • Federal Research – NCHRP & Pooled • 4 3-lane conversions • Transverse Rumble Strips • Lane Departure – Shoulder Rumble Strips • Bridge Rail
Users/Customers - State • Iowa DOT • Highway – TAS, Maintenance, Planning, etc. • MVD • DPS/GTSB • DPH • DNR • Legislators • Other states
Users/Customers - Local • RPA/MPO • Counties • engineering mostly • Cities • engineering • enforcement • Consultants • Citizens/Coalitions • Lawyers • Media
Needs/Wants • Recall Crash Analysis Continuum • Needs vs. Wants • Determine the difference • Provide former • Strive to provide latter, if possible • Avoid overkill
Needs/Wants - WWW • Common requests • Public interest information/reports • Broad data/analyses • Safety Improvement Candidate Locations (SICL) • Comparables • County maps on various topics (e.g., deer) • Crash Facts • Driver Facts • Anything pre-preparable of interest • http://www.dot.state.ia.us/crashanalysis/ • http://www.dot.state.ia.us/mvd/ods/ • http://www.dps.state.ia.us/gtsb/ • http://www.ctre.iastate.edu/itsds/
Needs/Wants – Annual Requests • Workzone • Bicycle/Pedestrian • GTSB Problem ID • Animal/Deer • Farm Vehicle • Tall corn • Key Emphasis Areas
Needs/Wants – SICL/Comparables • Top 200 • County SICL – top 25+ • City SICL – top 25+ • Avg. Segment Rates/Densities • Avg. Intersection Rates/Densities • City/County Profiles
Needs/Wants – ITSDS • GTSB/DOT partnership • Corridor enforcement programs • Seatbelt use • BAC • Speeding • Fatal/Major Injury maps • Driver age • Site-specific • Variety and Flexibility
Needs/Wants – National Research • Transverse Rumble Strips • 4 3-lane Conversions • Lane Departure (SVROR & MVCC/CM) • Bridge Rail • Low-Cost Safety Improvement • US RAP • Numerous others…
Needs/Wants – Special Requests • Planning Study – 5-year plan • Older drivers • Younger drivers • Reauthorization impacts • CHSP • STRAC
Needs/Wants – CMaT/IMAT • User-friendly tool • Available free to local agencies for quick analysis of limited data sets • Can be used with Iowa crash data or other data
Needs/Wants – SAVER • ESRI ArcView 3.2 GIS-based • Freely distributed project/extension (but requires an ESRI ArcView license) • Intended for more sophisticated users • Allows user to add own additional layers • Produces tabular reports and maps • Future GeoMedia SAVER • SAVER • CMaT-like • Diagram Magic
Needs/Wants • CODES • Raw Data
Resources – Other Services Statewide Programs • Federal Hazard Elimination Program • Highway Safety Management System (SMS) • Data-Driven Highway Safety Program • Safety Conscious Planning • 3R Roadway Safety Audits Local Assistance Programs • State Traffic Safety Improvement Programs (TSIP) • Traffic Engineering Assistance Program (TEAP) • Safety Data Products • Crash Data Analysis Tools • Iowa Traffic Safety Data Services (ITSDS) • Traffic & Safety Engineering Forum • Small town signing program
Examples 34 14 State 56% 149 Fatalities per year City/County44% 172 57 38 Based on 1996-2000 Crash Fatalities
MPO Data Use Data
Targeted Enforcement1995-1999 Rural Alcohol-Related Crashes Corridors ranked by Frequency
School-AgePedestrianCrashes City of Des Moines 1995 to 1999 Ages 5 to 19 August 15 to June 15 Monday to Friday 7:00 a.m. to 5:00 p.m. Schools Data Use Middle Schools
Two Lane Safety CorridorsRural Two-Lane Primary Road Fatalities and Major Injuries (District 6 1998-2000) DOTData Use 25 unlocated injury severities not represented. (2 Fatal, 23 Major Injuries) Disclaimer: The Center for Transportation Research and Education presents these data as preliminary.
Target Corridors with high numbers of Single-Vehicle, Run-off-the-Road Crashes on 2-Lane Highways (example District 5)
Primary Highway Curve Crashes • Statewide average = 1.1 / MVM (avg radius = 2850 ft., avg length = 870 ft.) • Top 30 average = 11.7 (7.2*) / MVM (avg radius = 1780 ft., avg length = 807 ft.) • Worst (of top 30) = 78 / MVM • 5% of crashes occur at top 30 locations (1% of curves) • 11% of fatals occur at top 30 locations • * Weighted average
Same as proposed USRAP Mason City Spencer Fort Dodge Sioux City Dubuque Waterloo Ames Marshalltown Cedar Rapids Clinton Iowa City Des Moines Quad Cities Council Bluffs Ottumwa
New! For USRAP Mason City Spencer Fort Dodge Sioux City Dubuque Waterloo Ames Marshalltown Cedar Rapids Clinton Iowa City Des Moines Quad Cities Council Bluffs Ottumwa
Welfare of the community – Property damage loss in 2004 Criminal activity - $875,520.00 Crash property damage - $1,807,018.00
Cost of Crashes in Iowa $267,899,957 Total Property Damage in 2004 $59,744,257 Hospital Cost in 2002 $82,484,847 Crime Loss Theft in 2003
CRASHES YEARS 2001 TO OCTOBER 14TH 2004 - DRIVER AGE 14 TO 21 YEARS EACH BLUE DOT = 21 OR UNDER CRASH MARION MARION CEDAR RAPIDS IOWA LICENSED DRIVERS UNDER 21 = 11% UNDER 24 = 17% 231 OF 648 (35.6%) CRASHES IN 2001, 211 OF 600 (35.2%) IN 2002, 228 0F 628 (36.3%) IN 2003 AND 186 OF 496 (37.5%) TO DATE IN 2004
SPEEDING CITATIONS IN 2004 THRU OCTOBER 18TH - DRIVER AGE 14 TO 21 YEARS IOWA LICENSED DRIVERS UNDER 21 = 11% UNDER 24 = 17% EACH BLUE DOT = SPEEDING CITATION 340 OF 1475 SPEEDING CITATIONS (23%) WERE ISSUED TO 21 AND UNDER DRIVERS 4,042 WARNINGS FOR ALL TYPE VIOLATIONS FOR ALL AGES
SEATBELT CITATIONS IN 2004 THRU OCTOBER 18TH - DRIVER AGE 14 TO 21 YEARS IOWA LICENSED DRIVERS UNDER 21 = 11% UNDER 24 = 17% EACH BLUE DOT = SEATBELT CITATION 223 OF 1455 SEATBELT CITATIONS (15%) WERE ISSUED TO 21 AND UNDER DRIVERS 4,042 WARNINGS FOR ALL TYPE VIOLATIONS FOR ALL AGES
TOTAL ECCO CITATIONS JAN-JUNE 2003 VIOLATOR RACE 95.36% .55% .31% 1.93% .16% 1.68% CITATIONS NOTE: 2000 CENSUS REPORTED 97% CAUCASIAN & 3% MINORITIES
DAILY CITATION ACTIVITY JAN-JUNE 2003 CITATIONS DATE
CITATION ACTIVITY BY TYPE JAN-JUNE 2003 SEAT BELT SPEEDING REGISTRATION CITY CODE NUMBERS
CITATION ACTIVITY BY MONTH JAN-JUNE 2003 CITATIONS MONTH
CITATION ACTIVITY BY SPEED ZONE JAN-JUNE 2003 SPEEDING CITATIONS SPEED ZONES
CITATION ACTIVITY BY FINES JAN-JUNE 2003 CITATIONS FINE AMOUNTS
CITATION ACTIVITY BY HOUR JAN-JUNE 2003 CITATIONS MILITARY TIME
CITATION ACTIVITY BY VIOLATOR AGE JAN-JUNE 2003 CITATIONS AGE OF VIOLATOR
CITATION ACTIVITY BY VEHICLE MAKE JAN-JUNE 2003 VEHICLES VIOLATOR VEHICLE MAKE
CITATION ACTIVITY BY OFFICER JAN-JUNE 2003 CITATIONS OFFICER
CITATION ACTIVITY OFFICER KJORMOE JAN-JUNE 2003 CITATIONS CODE VIOLATION
CITATION ACTIVITY OFFICER KJORMOE JAN-JUNE 2003 CITATIONS DAILY ACTIVITY
CITATION ACTIVITY OFFICER FORT JAN-JUNE 2003 CITATIONS CODE VIOLATION