Tatum Group

HSM, Safety Performance Functions & Predictive Safety

Data-driven methods for understanding expected crash performance and prioritizing transportation safety investments.

Location-specific SPFs can distinguish expected crash performance from observed crash history.

Predictive and systemic approaches support identification and prioritization of locations with promise.

Andrew Kwasniak developed a cloud-based transportation safety engineering application supporting SPF/HSM analysis and roadway safety decision-making.

Services are tailored to the engineering questions and available evidence in each assignment.