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http://tig.transportation.org/?siteid=57&pageid=2197. Safety Tools For Traffic Investigators Oregon Department of Transportation . http://mutcd.fhwa.dot.gov/pdfs/2003/Ch2C.pdf. February 2010. http://egov.oregon.gov/ODOT/TD/TDATA/gis/odotmaps.shtml#SPIS_SIP_Maps.
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http://tig.transportation.org/?siteid=57&pageid=2197 Safety Tools For Traffic Investigators Oregon Department of Transportation http://mutcd.fhwa.dot.gov/pdfs/2003/Ch2C.pdf February 2010
http://egov.oregon.gov/ODOT/TD/TDATA/gis/odotmaps.shtml#SPIS_SIP_Mapshttp://egov.oregon.gov/ODOT/TD/TDATA/gis/odotmaps.shtml#SPIS_SIP_Maps SPIS and SIP Maps and Reports SPIS – Safety Priority Index System SIP – Safety Investment Program http://intranet.odot.state.or.us/tstrafmgt/spis2009.htm
Tools Available on the internet: https://keiko36.odot.state.or.us/whalecome5690917adb26326abdb252e22d8/whalecom0/SecureKeiko36PortalHomePage
Crash Data TransGIS & STIP Scoping Tool https://keiko36.odot.state.or.us/whalecomfa2b1917adbf61279996f371d4822d70f2ef5c5afa744bbe8575982e1d360f/whalecom0/main/index.htm http://s-salemrev-110/main/transgis_tutorials.htm https://keiko36.odot.state.or.us/whalecome5690917adb26326abdb252e22d8/whalecom0/SecureKeiko36PortalHomePage/ Routes to State Highway cross reference table: http://www.oregon.gov/ODOT/TD/TDATA/tsm/tvt.shtml
Scatter Plots Crash Graphing Tool https://keiko36.odot.state.or.us/whalecome5690917adb26326abdb252e22d8/whalecom0/SecureKeiko36PortalHomePage
Crash Summary Database Digital Highway Log http://www.oregon.gov/ODOT/TD/TDATA/rics/VideoLog.shtml http://intranet.odot.state.or.us/tstrafmgt/PSMS/SPIS/csdsumm.htm http://maps.google.com/help/maps/streetview/
Collision Diagram Tools http://www.pdmagic.com/crashmagiconline/
Desktop Reference For Crash Reduction Factors Report No. FHWA-SA-07-015 U.S. Department of Transportation Federal Highway Administration September 2007 Crash Reduction Factors http://www.oregon.gov/ODOT/HWY/TRAFFIC-ROADWAY/docs/excel/CRFWorksheet.xls http://its.pdx.edu/CRF/CRFweb/ http://www.transportation.org/sites/safetymanagement/docs/Desktop%20Reference%20Complete.pdf Cost Benefit Worksheet NEW 12/01/09 by FHWA http://www.cmfclearinghouse.org/ http://www.oregon.gov/ODOT/HWY/TRAFFIC-ROADWAY/docs/excel/BC_Form_HIGHWAY_SAFETY_PROJECTS_2007.xls
GIS-Based Analysis http://s-salemrev-110/main/transgis_tutorials.htm • Useful tool for crash patterns (snow/ice crashes, lane departure crashes, etc.) • More complex analysis possible • Relationship between crashes and other data (i.e., high speed signalized intersections) Ice Sensor Dynamic Signs
Other Tools and Data available • Aerial Photography • Maps • Highway Inventory files • Traffic Counts http://maps.google.com/help/maps/streetview/ http://egov.oregon.gov/ODOT/TD/TDATA/gis/odotmaps.shtml http://egov.oregon.gov/ODOT/TD/TDATA/gis/gislinks.shtml#Maps_and_GIS_Data http://www.oregon.gov/ODOT/TD/TDATA/otms/OTMS_Highway_Reports.shtml http://www.oregon.gov/ODOT/TD/TDATA/tsm/tvt.shtml#Traffic_Counting_Websites
National Publications • Low Cost Local Road Safety Soutions • Lane-Departure • NCHRP Report 500 Safety Emphasis Guides http://docs.mvrpc.org/safety/Low_Cost_Local_Roadway_Safety_Solutions.pdf http://downloads.transportation.org/PLD-1.pdf http://safety.transportation.org/guides.aspx • Low-Cost Safety Enhancements for Stop-Controlled • and Signalized Intersections http://safety.fhwa.dot.gov/intersection/resources/fhwasa09020/fhwasa09020.pdf
Evaluation of Program • FHWA HSIP Report and evaluation • Top 5% sites • Before/After evaluation of Safety Projects • Lane Departure Projects • Rumble strip Installations • Interstate Speed changes • Illumination reductions • Interstate Median Crossover Crashes • SIP Evaluation Research http://safety.fhwa.dot.gov/hsip/ http://safety.fhwa.dot.gov/hsip/fivepercent/ http://www.its.pdx.edu/speedlimits/final%20interstate%20speed%20review%20report%20(9.12).pdf http://www.its.pdx.edu/illumination/PSU_IlluminationFinalReport_8.1.07.pdf http://www.its.pdx.edu/project.php?id=2006-02
FHWA Guidance on 9 proven safety countermeasures which have a positive impact on safety: http://safety.fhwa.dot.gov/policy/memo071008/ • 1. Road Safety Audits • 2. Rumble Strips and Rumble Stripes • 3. Median Barriers • 4. Safety Edge • 5. Roundabouts • 6. Left and Right Turn Lanes at Stop-Controlled Intersections • 7. Yellow Change Intervals • 8. Medians and Pedestrian Refuge Areas in Urban and Suburban Areas • 9. Walkways http://safety.fhwa.dot.gov/policy/memo071008/
Safety Edge http://safety.fhwa.dot.gov/roadway%5Fdept/pavement/fhwasa09023/ Pavement edge drop-off
Research • Development of the Safety Investigations Manual http://www.oregon.gov/ODOT/HWY/TRAFFIC-ROADWAY/highway_safety.shtml • Safety of High Speed Signalized Intersections • Highway Safety Manual (HSM) Data Needs & Assessment • Evaluation of Collision Diagramming Tools • Assessment of Statewide Intersection Safety Performance • Enhancement of ODOT’s Crash Reduction Factors • Calibrating HSM Predictive Methods for Oregon • Enhancing the Oregon Crash Reporting Process http://tti.tamu.edu/documents/5-4022-01-1.pdf http://www.highwaysafetymanual.org/Home/Home.html http://www.its.pdx.edu/pdf/FinalReport_CollisionDiagrammingToolsEvaluation.pdf http://www.its.pdx.edu/project.php?id=2008-07 http://www.its.pdx.edu/CRF/Crash_Reduction_Factors_PUBLISH.pdf http://www.its.pdx.edu/project.php?id=2009-03 http://www.its.pdx.edu/crashreport/04_02_TransNOW_CrashReport05_016_06_FINAL.pdf
Highway Safety Investigation Manual for the Oregon Dept. of Transportation http://www.oregon.gov/ODOT/HWY/TRAFFIC-ROADWAY/highway_safety.shtml Table of Contents • Manual Overview and Purpose • Safety Investigation Basic • Overview of Data Types and Sources • Diagnosing Crash Patterns • Site Investigations • Countermeasure Selection and Recommend Improvements Analysis • Documentation and Implementation • References • Appendix A – Worksheets • Appendix B – Instructions for Worksheets • Appendix C – Example Problems 12 Appendix D – Case Studies
Training • Explicit Consideration of Safety (Jake Kononov & Bryan Allery, CDOT) • Human Factors http://safety.fhwa.dot.gov/training/pcb/pro_courses.cfm • New Approaches to Highway Safety Analysis (NHI Course No. 380075) • Safety Analyst Software http://www.safetyanalyst.org/devactivities.htm • Road Safety Audits (http://safety.fhwa.dot.gov/rsa) Instructed by Craig Allred • Institutional Needs in Highway Safety Planning • Improving Pedestrian Crossing Safety http://safety.fhwa.dot.gov/ped_bike/ • Roadside Design Guide http://www.fhwa.dot.gov/resourcecenter/teams/safety/0608roadsidedesign.pdf • Traffic Safety Workshops at OSU http://kiewit.oregonstate.edu/workshops.html
Questions? Tim Burks, timothy.w.burks@odot.state.or.us (503)986-3572 Highway Safety Engineering Coordinator Oregon Department of Transportation http://www.oregon.gov/ODOT/HWY/TRAFFIC-ROADWAY/