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NCHRP Project 17-35: Evaluation of Safety Strategies at Signalized Intersections



Evaluations of Low Cost Safety Improvements Pooled Fund Study


Excel format

Phase & Priority / Guidebook  Strategies Selected in Phases I & II Sum  Number of Votes  Score per Vote  Comment – Strategies  Comment – Category 
I – R5 Alternating passing lanes or four–lane sections at key locations to prevent HO crashes 47 13 4  
  • Provide adequate intersection sight distance (CT)
  • Proposed Strategies:                                       
    Remove signs/more Stop Bar – (Score 3)                                                                                                                                              Safety Wedge (on edge of pavement) – (Score 4)             
    Rumble stripes/profile stripes – (Score 5)                        
    Wider Pavement Markings ( 4” – 6”) – (Score 1)               
    Flashing Yellow Permissive Left Turn Arrows – (Score 2) 
    Lighting at rural intersection – (Score 4.5) (MN)
I – R7 Median barriers for narrow–width medians on multilane roads to prevent HO crashes 52 14 4  
I – R11 Install profiled thermoplastic strips for centerlines 29 10 3  
I – R12 Narrow "buffer median" on two–lane roadways 36 12 3  
II – R7 Increase size and letter height of roadway signs  36 14 3  
II – R10 Provide adequate sight distance  38 15 3  
Heavy Trucks   Increase efficiency of use of existing parking spaces  20 7 3 Include Smart park (NY)
  • Proposed Strategy: Inform (through media) trucking companies of work zones or other congested areas they could be approaching will have a score of 4 (CA)
  • Has anyone considered allowing truckers to park on the shoulders (at night) for truckers to sleep (OK)
  • Rumble strips into new and existing roadways has already been done. Interactive truck rollover signing are at small radius curve. (e.g switch backs with existing speed warning signs). Provide variable/differential truck speed limits (VA)
Heavy Trucks  Create additional parking spaces  15 7 2  
Heavy Trucks   Incorporate rumble strips into new and existing roadways 21 5 4  
Heavy Trucks  Incorporate Share the Road information into driver materials 3 2 2  
Heavy Trucks  Promulgate Share the Road information through print and electronic media 2 1 2  
Heavy Trucks  Incorporate Share the Road information into driver materials 6 2 3  
Heavy Trucks  Promulgate Share the Road information through print and electronic media 10 4 3  
Heavy Trucks  Increase and strengthen truck maintenance programs and inspection performance. 30 8 4  
Heavy Trucks  Conduct post–crash inspections to identify major problems and problems conditions 30 9 3  
Heavy Trucks  Identify and treat truck crash roadway segments–signing 25 9 3  
Heavy Trucks  Install interactive truck rollover signing  35 9 4  
Heavy Trucks  Modify speed limits and increase enforcement to reduce truck and other vehicle speeds 21 7 3 Modify speed limits phrase should be taken out from strategy (UNK)
Heavy Trucks  Increase the timeliness, accuracy, and completeness of truck safety data 12 4 3  
Heavy Trucks  Perform safety consultations with carrier safety management  4 3 1 Include Load shifts/size (NY)
Heavy Trucks  Promote development and deployment of truck safety technologies 20 5 4  
Rural EMS  Establish programs with organizations to utilize nontraditional employees as EMS responders (T) 0 0 0  
  • Evaluating Non–infrastructure countermeasures may not be the most efficient use of the resources on this project. My understanding is we are focusing on data and crash analysis to determine infrastructure improvements focusing on the engineering side. The TAC consists of Engineers and as i agree Education, EMS and Enforcement is key, we should keep this project focused on engineering solutions  (CA) 
  • I am not really qualified to prioritize within this field (IN)
  • 5–1–1 Capability to Improve Transfer to correct facility (Score 2) (MN)
  • Unsure how to mark Volume 15 Data (NC)
Rural EMS  Facilitate development of regional resources and/or cooperatives (T) 20 5 4  
Rural EMS  Integrate support of EMS into rural hospital financing programs (T) 4 2 2  
Rural EMS  Integrate information systems and highway safety activities (T) 4 1 4  
Rural EMS  Integrate EMS systems into the Safe Communities effort (T) 6 2 3  
Rural EMS  Use mobile data technologies that are interoperable with hospital systems (T) 5 2 3  
Rural EMS  Require all communication systems to be interoperable with surrounding and state jurisdictions (T) 33 9 4  
Rural EMS  Develop resource and performance standards unique to the specific rural EMS (T) 5 1 5  
Rural EMS  Identify, provide, and mandate efficient and effective methods for collection of necessary EMS data (T) 8 2 4  
Rural EMS  Identify and evaluate model rural EMS operations (T) 15 4 4  
Rural EMS  Provide evaluation results to elated and administrative officials at the county and local levels (T) 9 3 3  
Rural EMS  Establish an exchange program to allow rural EMS providers to spend a specified number of hours in urban/suburban systems (E) 4 3 1  
Rural EMS  Include principles of traffic safety and injury prevention as part of EMS continuing education (E) 13 5 3  
Rural EMS  Require first care training for all public safety emergency response personnel, including law enforcement officers (T) 14 5 3  
Rural EMS  Educate rural residents about the availability, capability, and limitations of existing systems (T) 5 2 3  
Rural EMS  Utilize technology–base instruction for rural EMS training (T) 3 1 3  
Rural EMS  Establish an exchange program to allow rural EMS providers to spend a specified number of hours in urban/suburban systems (T) 2 2 1  
Rural EMS  Improve cellular telephone coverage in rural areas (T) 22 6 4  
Rural EMS  Improve compliance of rural 9–1–1 centers with FCC wireless "Phase II" automatic location capability (T) 17 5 3  
Rural EMS  Utilize GPS technology to improve response time (T) 15 5 3  
Rural EMS  Integrate automatic vehicle location (AVL) and computer–aided navigation (CAN) technologies into all computer–aided dispatch (CAD) systems (T) 20 6 3  
Rural EMS  Equip EMS vehicles with multi–service and/or satellite– capable telephones (T) 8 4 2  
Drowsy Distracted Drivers Install shoulder and/or centerline rumble strips 41 10 4 Shoulder and/or centerline rumble strips are done (VA)
  • Proposed strategy: Cell phone safety research (Score 5) (IA)
  • This topic is a big deal for Utah (UT)

Drowsy Distracted Drivers Implement other roadway improvements to reduce the likelihood and severity of run–off–road and/or head–on collisions 38 10 4  
Drowsy Distracted Drivers Implement other roadway improvements to reduce the likelihood and severity of other types of distracted and drowsy driving crashes 20 7 3  
Drowsy Distracted Drivers Improve access to safe stopping and resting area 13 5 3  
Drowsy Distracted Drivers Improve rest area security and services 10 5 2  
Drowsy Distracted Drivers Conduct education and awareness campaigns targeting the general driving public 17 5 3  
Drowsy Distracted Drivers Visibly enforce existing statutes to deter distracted and drowsy driving  7 3 2  
Drowsy Distracted Drivers Strengthen graduated driver licensing requirements for young novice drivers 43 11 4 Tried in Minnesota with no success to date (MN)
Drowsy Distracted Drivers Incorporated information on distracted and fatigued driving into education programs and materials for young drivers 18 8 2  
Drowsy Distracted Drivers Encourage employers to offer fatigue management programs to employees working nighttime or rotating shifts 9 4 2  
Drowsy Distracted Drivers Enhance enforcement of commercial motor vehicle hours–of–service regulations 25 7 4  
Drowsy Distracted Drivers Encourage trucking companies and other fleet operators to implement fatigue management programs 10 4 3  
Drowsy Distracted Drivers Implement targeted interventions for other high–risk populations 8 4 2  
Alcohol Related  Increase the State Excise Tax on Beer (T) 6 4 2  
  • Possible additional strategy: Graduated levels of B.A.C to define “drunk driving”. Example: B.A.C of 0.08 for standard vehicle/driver, B.A.C of 0.0?? for commercial vehicle/driver, B.A.C of 0.0?? for motorcycle/motorcyclist. It is a State / legislative strategy ……though Feds can favor States (financially) that enact such a graduated B.A.C law, if the strategy is judged by study to be effective (IN)
  • Proposed strategies:
    Increase corridor enforcement waves (Score 4)
    Enhance judicial support for DWI citations (Score 5) (IA)
  • Unsure how to mark Volume 16 (NC)
  • Area–wide spill over effects of spot enforcement (VA)
Alcohol Related  Conduct Well–Publicized Compliance Checks of Alcohol Retailers to Reduce Sales to Underage Persons (T) 30 9 3  
Alcohol Related  Employ Screening and Brief Interventions in Health Care Setting (T) 8 6 1  
Alcohol Related  Enhance DWI Detection Through Special DWI Patrols and Related Traffic Enforcement (T) 53 12 4  
Alcohol Related  Establish Stronger Penalties for BAC Test Refusal Than for Test Failure (T) 32 11 3  
Alcohol Related  Eliminate Diversion Programs and Plea Bargains to Non–Alcohol Offenses (T) 32 9 4