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Lane Constrictor Intersections in Minnesota
Minnesota
Concerned with rural intersections crashes, MnDOT developed a standard layout of lane constrictors. They installed lane constrictors at 61 side street, stop-controlled locations.
More than 70% of fatal and serious injury crashes in Minnesota occurred on local roads. MnDOT re-engaged local agencies with workshops, an education and resources webpage, videos, and webinars.
The MnDOT Safe System Approach Implementation Plan integrates the SSA into programming. Their process involves an internal SSA implementation workgroup, tools library, speed management guide, training, and updated technical guidance documents.
Safer Mobility: Embracing Technology and Pilot Programs through the Safe System Approach
FloridaKentuckyMassachusettsMissouri
Emerging innovations offer new opportunities to align with the safe system approach. Broward County, Florida identified 35 technologies for safer roads. Louisville, Kentucky developed strategies for safer speeds. MassDOT’s virtual reality pop-up experience strengthened outreach for safer people. Missouri’s predictive layered operations initiative (PLOI) enhanced post-crash care.
To calibrate safety performance functions (SPFs) to local conditions and develop state-specific SPFs, MDOT created a simple index score. Index scores were then aligned with the CMF Clearinghouse system, resulting in more reliable safety analysis.
Montana DOT observed a significant increase in wrong-way driving and severe crashes. Working with law enforcement, maintenance, and traffic and safety, they installed a new wrong-way driving flashing system.
NCHRP Synthesis 639: Implementation of Federal Highway Administration Proven Safety Countermeasures
NCHRP
This report describes DOT practices and challenges in adopting of FHWA proven safety countermeasures. The research includes recommendations like more inclusion of maintenance personnel, outreach and training.
Meet Hazel Mae: New Hampshire’s Newest Road Safety Ambassador
New Hampshire
To help drivers understand the risks of excess speed, the New Hampshire DOT branded the "Slow and Steady" campaign. Campaign mascot Hazel Mae connects people with the message in a warm and friendly way.
