RECOMMENDED SYSTEMIC SAFETY COUNTERMEASURES MODE TARGETING CRASH TYPES FHWA PROVEN SAFETY COUNTERMEASURES
ADDITIONAL COUNTERMEASURES
• High Friction Surface Treatments • Motorcycle Specific Warning Signs • Advanced curve warning systems • Centerline and edge line rumble strips • Improved helmet and safety gear awareness signage
• Roadway Lighting/illumination • Enhanced Delineation and Friction for Horizontal Curves
Motorcycle Crashes at Dark, Unlighted Roadways with AADT ≥ 40,000
MOTOR- CYCLE
Intersection Daylighting
Protected Intersection
• Roundabouts • Backplates with Retroreflective Borders • Intersection Lighting
• Flashing yellow arrows for left turns • High visibility signal backplates • Intersection advance warning signs • Truck climbing lanes • Enhanced signage for commercial vehicles
Motorcycle Angle Crashes at Intersections
Commercial Motor Vehicle Crashes on Roadways with Speed Limits ≥ 60 mph and AADT ≥ 40,000
• Variable Speed Limits (VSLs) • Access Management
• Ramp metering systems • Runaway truck ramps • Dedicated freight lanes
Variable Speed Limit
Separated Bike Lanes
• Wider Edge Lines • Pavement Friction Management • Enhanced curve delineation • Wider Edge Lines • Pavement Friction Management • Enhanced curve delineation
• Shoulder and centerline rumble strips • Clear zone hazard removal and roadside barriers • Enhanced lighting/illumination • Shoulder and centerline rumble strips • Clear zone hazard removal and roadside barriers • Enhanced lighting/illumination
Motor Vehicle Single-Vehicle Crashes on Two-Lane Roadways
MOTOR VEHICLE
Motor vehicles Run Off Road Crashes on Curved Rural Two Lane Roads
• R cuts or Median Uturn • Dedicated Left Turn Lanes • Roundabout
Backplates with Retroreflective Borders
Motor Vehicle Angle / Left Turn Crashes at Signalized Intersections (2+ approach lanes)
Chevron Signs for Enhanced Delineation
• Signal phasing with protected left turn arrows
• Stop control upgrades (e.g-all way stops) • Enhanced sight distance • Flashing warning beacons or intersection rumble strips • Install Traffic Signal (if warrants are met) • Anti-Trespass Panels • Gates, flashing lights, bells per FRA standards • Fencing to direct safe crossings • Enhanced signage and pavement markings
• Systemic Low Cost Countermeasures combination See FHWA Website for details • R cuts or Median U-turn • Access Management
Unsignalized Intersections Involving Motor Vehicle Angle Collisions
Crashes at Railroad Crossings (Vehicle or Pedestrian)
• Enhanced lighting/illumination
MIXED MODE
R cuts or Median Uturn
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