The National Academies Press

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From page 74... ... 74 A p p e n d i x d d.1 introduction The SHRP 2 Safety and Reliability focus areas had data of common interest to both programs that were not addressed in either of the focus areas' projects. SHRP 2 initiated a Phase 1 Supplemental Naturalistic Driving Study (NDS) Read the entire page →
From page 75... ... 75 state's policy toward issues such as seat-belt laws and cell phone and texting laws. D.3.2 Expert Feedback and Refinement The list of supplemental data items was presented to both a safety and a reliability group for refinement and prioritization. Read the entire page →
From page 76... ... 76 Data Item Data Item Crash Pavement Markings Aerial Imagery Retroreflectivity Work Zone Installation date Locations and begin/end Type and Width Time Period Maintenance Activities (repainting) Impact/activity, traﬃc control Signs Weather Condition Roadway Level Retroreﬂectivity Local Area Select Inventory: Stop, Chevron, Slippery/Wet Statewide Maintenance Activities 511 Lighting Incidents/Closures Inventory (locations) Read the entire page →
From page 77... ... 77 Data Item Recurring Congestion Locations where traﬃc demand exceeds capacity Nonrecurring Congestion Incident data by location Disabled vehicles Cargo spil ls Train stall Coordinated through an incident mgmt system Work zones frequency by location Weather data by impacts to travel time and location Daily/Seasonal Traﬃc Variations that impact travel Inadequate base capacity locations Special Events Timed and major events Sanctioned by an oﬃcial entity Emergencies (unplanned) Independent Travel Time Reliability Business Processes Monitoring weather station data Coordinating traﬃc signals Dispatching DOT maintenance support Implementing a work zone Integrated Travel Time Reliability Business Processes Traveler information during emergencies Implementing active traﬃc management Multi agency incident management program Integrated Corridor Management Strategies Integrated Area Work Zone Coordination Strategies Roadway Capacity Improvements Major roadway capacity improvement actions Major operational capacity enhancements Variation in Structured Data (history/data formats) Read the entire page →
From page 78... ... 78 Data Item Data Item Aggressive Driving and Speeding Prevention, Intervention, Comm and Outreach Laws Countermeasure Alcohol screening and brief intervention Speed Limits Mass media campaigns Enforcement Countermeasure Underage Drinking and Alcohol Impaired Driving Automated enforcement Minimum drinking age 21 laws Distracted Driving and Drowsy Driving Seat Belt Use Laws and Enforcement Seat Belt Use Law Enforcement Countermeasure GDL requirements for beginning drivers State primary enforcement belt use laws Cell phone and text messaging laws Seat Belt Law Enforcement Countermeasure Two wheeled Motorcycle Safety Short term high visibil ity belt law enforcement Motorcycle Helmets Countermeasure Communications and Outreach Countermeasure State motorcycle helmet use laws Communications and outreach supporting enforcement Young Drivers Seat Belt Use Pre Teen and Teenage Occupants Graduated Driver Licensing Countermeasures Restraint Use Laws Countermeasure Graduated driver licensing (GDL) Coverage by restraint use law: seating position, vehicles, ages Learner's permit length, supervised hours Seat Belt Use Children in Child Restraints and Booster Intermediate nighttime restrictions Child Restraint/Booster Seat Use Laws Countermeasure Intermediate passenger restrictions Enactment of child restraint use laws Older Drivers Coverage: seating position, vehicles, ages Licensing Countermeasures Child Restraint/Booster Seat Use Law Enforcement Countermeasure License screening and testing Short-term high visibil ity-child restraint/booster law enforcement Pedestrians Communications and Outreach Countermeasure All Pedestrians Countermeasure Communications and outreach supporting enforcement Reduce and enforce speed limits Targeted enforcement Bicycles Children Countermeasure Bicycle helmet laws for children All Bicyclists Countermeasure Active lighting and rider conspicuity Alcohol Impaired and Drugged Drivers Deterrence:Laws Countermeasures Administrative licence revocation or suspension Open Containers Deterrence: Enforcement Countermeasures Sobriety Checkpoints Saturation Patrols Preliminary Breath Test Devices Deterrence: DWI Oﬀender Countermeasures Alcohol problem assessment, treatment Alcohol interlocks PO LI CY IT EM S Figure D.2. Read the entire page →
From page 79... ... 79 Figure D.3. Screenshot from the online survey. Read the entire page →
From page 80... ... 80 # Data Items Safety Reliability Safety and Reliability Response Percent Reliability Response % 1 2 3 10 X Low 2 0 0 15.4% 0.00% Medium 4 0 2 46.2% 66.67% High 4 1 0 38.5% 33.33% 11 X Low 0 0 0 0.0% 0.00% Medium 8 0 1 69.2% 33.33% High 2 1 1 30.8% * 66.67% 12 X Low 6 0 1 53.8% 33.33% Medium 2 1 1 30.8% 66.67% High 2 0 0 15.4% 0.00% 13 X Low 6 0 0 46.2% 0.00% Medium 2 0 1 23.1% 33.33% High 2 1 1 30.8% * Read the entire page →
From page 81... ... 81 Table D.1. Tier Classification of the Initial Data Items Tier 1 2 3 S af et y 3 Crash data X 4 Traffic counts X 5 Pedestrian crossings X 6 Work zone data X 7 Weather data X 8 511 information X 9 Operational countermeasures X R el ia b ili ty 10 Recurring congestion X 11 Nonrecurring congestion data X 12 Travel time reliability business process X 13 Travel time data X 14 Travel demand management X 15 Public transportation X 16 Analysis tools used X C om m on 17 Aerial imagery X 18 Change in adjacent land use X 19 Speed limit data X 20 Level of service X 21 Variable message signs X 22 Reversible dynamic lanes X 23 Changes to existing infrastructure condition X 24 Roadway capacity improvements X 25 Innovative treatments data X P ol ic y 26 Safety campaign information X 27 Speed limit laws X 28 Cell phone and text messaging laws X 29 Automated enforcement for aggressive driving and speeding X 30 Graduated driver licensing X 31 State motorcycle helmet use laws X 32 License screening and testing X 33 Targeted enforcement for pedestrian crossings X 34 Laws and enforcement for alcohol-impaired and drugged drivers X 35 Laws and enforcement for seat-belt use X Read the entire page →
From page 82... ... 82 Table D.2. Original Data Item Definitions Tier 1 2 3 Category Item Description X Safety Crash data Crash data, including 5 years before and during the 2-year SHRP 2 NDS. Read the entire page →
From page 83... ... 83 Table D.2. Original Data Item Definitions Tier 1 2 3 Category Item Description X Reliability Travel demand management Information specific to efforts to reduce travel demand, such as share a ride, park and ride, zip cars, incentives, HOV lanes. Read the entire page →
From page 84... ... 84 Table D.3. State Informational Detail and Cost Template (Example Only) Read the entire page →
From page 85... ... 85 NY FL PA IN NC WA NY FL PA IN NC WA Tier Item Acquire Acquire Acquire Acquire Acquire Acquire Integrate Integrate Integrate Integrate Integrate Integrate 1 Aerial Imagery Low Low Low Low Low Low Low Low Low Low Low Low 1 Speed Limit Data Low Low Low Low Low Low Low Low Low Low Low Low 1 Changes to existing infrastructure condition Medium Medium Medium Medium Medium Medium High High High High High High 1 Roadway Capacity Improvements Medium Medium Medium Medium Medium Medium High High High High High High 1 Innovative Treatments Medium Low High High 2 Level of Service Low Medium High Medium 2 Variable Message Signs Low High 3 Change to Adjacent Land Use Medium High 3 Reversible Dynamic Lanes 1 Speed Limit Laws Low Low Low Low Low Low NA NA NA NA NA NA 1 Cell phone and text messaging laws Low Low Low Low Low Low NA NA NA NA NA NA 1 State laws regarding automated enforcement Low Low Low Low Low Low NA NA NA NA NA NA 1 Laws for Alcohol-Impaired and Drugged Drivers Low Low Low Low Low Low NA NA NA NA NA NA 1 Safety Campaigns Information High High High High High High High High High High High High 2 State law regarding graduated driver licensing (GDL) Low Low Low Low Low NA NA NA NA NA NA NA 2 State motor cycle helmet use laws Low Low Low Low Low NA NA NA NA NA NA NA 2 Laws for Seat Belt Use Low Low Low Low Low NA NA NA NA NA NA NA 3 State procedures regarding driver's license screening a 1 Nonrecurring Congestion Low High Low Low High Medium High Medium 0 Medium High 1 Travel Time Data Low Low Medium Low Low High 2 Recurring Congestion Medium Medium 2 Travel Demand Management 2 Public Transportation High High 3 Travel Time Reliability Business Process 3 Analysis Tools Used Low Medium Low Low 1 Crash Data Low Low Low Low Low Low Low Low Low Medium Low Low 1 Information - AADT Low Low Low Low Low Low Low Low Low Low Low Low 1 Work Zone Low Medium Medium Medium Low Medium Medium Medium Medium High Medium High 1 Winter Road Conditions (DOT) Read the entire page →
From page 86... ... 86 # Item Priority Category Data Description Integration Data Frequency 1 Crash Data Common 2006-2013 data delivered in access from NYDOT Convert to GIS using Lat/Long, conflate to network Yearly 2 Traffic Information - AADT Safety 2011-2013 data in excel from NY DOT Joined to GIS, conflate to network Yearly 3 Aerial Imagery Common 2011 NAIP aerial imagery by county in 1 meter resolution None Single Year 4 Speed Limit Data Safety 2011 speed limit data from FLDOT Conﬂate to network Single Year 5 Speed Limit Laws Policy Documented laws from 2011-2013 None Yearly 6 Cell phone and text messaging laws Policy Documented laws from 2011-2013 None Yearly 7 Automated enforcement laws Policy Documented laws from 2011-2013 None Yearly 8 Alcohol-Impaired and Drugged Drivers laws Policy Documented laws from 2011-2013 None Yearly 9 Graduated driver licensing (GDL) laws Policy Documented laws from 2011-2013 None Yearly 10 State motor cycle helmet use laws Policy Documented laws from 2011-2013 None Yearly 11 Seat Belt Use laws Policy Documented laws from 2011-2013 None Yearly 12 Local Climatological Data (LCD) Read the entire page →
From page 87... ... 87 # Item Priority Category Data Description Integration Data Frequency 1 Crash Data Common 2006-2013 Shapefile from FLDOT Conﬂate to network Yearly 2 Traffic Information - AADT Safety 2011-2013 Shapefile from FLDOT Conﬂate to network Yearly 3 Aerial Imagery Common 2009-2013 FLDOT aerial imagery by county in 1 foot resolution2013 NAIP aerial imagery by county in 1 meter resolution None Single Year 4 Speed Limit Data Safety 2013 speed limit data from FLDOT Conﬂate to network Single Year 5 Speed Limit Laws Policy Documented laws from 2011-2013 None Yearly 6 Cell phone and text messaging laws Policy Documented laws from 2011-2013 None Yearly 7 Automated enforcement laws Policy Documented laws from 2011-2013 None Yearly 8 Alcohol-Impaired and Drugged Drivers laws Policy Documented laws from 2011-2013 None Yearly 9 Graduated driver licensing (GDL) laws Policy Documented laws from 2011-2013 None Yearly 10 State motor cycle helmet use laws Policy Documented laws from 2011-2013 None Yearly 11 Seat Belt Use laws Policy Documented laws from 2011-2013 None Yearly 12 Local Climatological Data (LCD) Read the entire page →
From page 88... ... 88 # Item Priority Category Data Description Integration Data Frequency 1 Crash Data Common 2006-2013 data delivered in access from PA DOT Convert to GIS using Lat/Long, conflate to network Yearly 2 Traffic Information - AADT Safety 2011-2013 Shapefile from PA DOT Conﬂate to network Yearly 3 Aerial Imagery Common 2013 NAIP aerial imagery by county in 1 meter resolution None Single Year 4 Speed Limit Data Safety 2013 speed limit data from FLDOT Conﬂate to network Single Year 5 Speed Limit Laws Policy Documented laws from 2011-2013 None Yearly 6 Cell phone and text messaging laws Policy Documented laws from 2011-2013 None Yearly 7 Automated enforcement laws Policy Documented laws from 2011-2013 None Yearly 8 Alcohol-Impaired and Drugged Drivers laws Policy Documented laws from 2011-2013 None Yearly 9 Graduated driver licensing (GDL) laws Policy Documented laws from 2011-2013 None Yearly 10 State motor cycle helmet use laws Policy Documented laws from 2011-2013 None Yearly 11 Seat Belt Use laws Policy Documented laws from 2011-2013 None Yearly 12 Local Climatological Data (LCD) Read the entire page →
From page 89... ... 89 # Item Priority Category Data Description Integration Data Frequency 1 Crash Data Common 2006-2013 data delivered as a .DAT file from INDOT Extract data, convert to GIS , conflate to network Yearly 2 Traffic Information - AADT Safety 2011-2013 Shapefile from FLDOT Conﬂate to network Yearly 3 Aerial Imagery Common 2012 Indiana University GIS aerial imagery by county in 1 meter resolution None Single Year 4 Speed Limit Data Safety 2011 speed limit data from FLDOT Conﬂate to network Single Year 5 Speed Limit Laws Policy Documented laws from 2011-2013 None Yearly 6 Cell phone and text messaging laws Policy Documented laws from 2011-2013 None Yearly 7 Automated enforcement laws Policy Documented laws from 2011-2013 None Yearly 8 Alcohol-Impaired and Drugged Drivers laws Policy Documented laws from 2011-2013 None Yearly 9 Graduated driver licensing (GDL) laws Policy Documented laws from 2011-2013 None Yearly 10 State motor cycle helmet use laws Policy Documented laws from 2011-2013 None Yearly 11 Seat Belt Use laws Policy Documented laws from 2011-2013 None Yearly 12 Local Climatological Data (LCD) Read the entire page →
From page 90... ... 90 # Item Priority Category Data Description Integration Data Frequency 1 Crash Data Common 2006-2013 delivered as excel from HSIS Convert to GIS using LRS, conflate to network Yearly 2 Traffic Information - AADT Safety 2011-2013 Shapefile from NC DOT Conﬂate to network Yearly 3 Aerial Imagery Common 2012 NAIP aerial imagery by county in 1 meter resolution None Single Year 4 Speed Limit Data Safety 2011 speed limit data from FLDOT Conﬂate to network Single Year 5 Speed Limit Laws Policy Documented laws from 2011-2013 None Yearly 6 Cell phone and text messaging laws Policy Documented laws from 2011-2013 None Yearly 7 Automated enforcement laws Policy Documented laws from 2011-2013 None Yearly 8 Alcohol-Impaired and Drugged Drivers laws Policy Documented laws from 2011-2013 None Yearly 9 Graduated driver licensing (GDL) laws Policy Documented laws from 2011-2013 None Yearly 10 State motor cycle helmet use laws Policy Documented laws from 2011-2013 None Yearly 11 Seat Belt Use laws Policy Documented laws from 2011-2013 None Yearly 12 Local Climatological Data (LCD) Read the entire page →
From page 91... ... 91 Figure D.11. Summary for Washington. Read the entire page →
From page 92... ... 92 Figure D.12. Final list of supplemental data acquired. Read the entire page →

From page 74...

... 74 A p p e n d i x d d.1 introduction The SHRP 2 Safety and Reliability focus areas had data of common interest to both programs that were not addressed in either of the focus areas' projects. SHRP 2 initiated a Phase 1 Supplemental Naturalistic Driving Study (NDS)