Replica is excited to announce the launch of 85th Percentile Speeds, 95th Percentile Speeds, and 50th Percentile Speeds, powerful cornerstone metrics for traffic engineering and safety assessments. Engineers, planners, and policymakers can leverage Replica’s speeds data to inform decisions in establishing speed limits, measuring reliability, and improving roadway safety.
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Replica’s percentile speeds data can serve as a comprehensive alternative or complement to agency spot speeds, providing broad citywide coverage.
In one use case, 85th percentile speeds from Replica were compared to ground truth data collected by the San Francisco Municipal Transportation Agency (SFMTA) for a new Automated Speed Enforcement program. Across 33 locations, Replica’s estimates were within 2 mph of observed values, with a near 0.9 R², demonstrating strong alignment and validating the metric’s reliability.
With this release, Replica continues its mission to power smarter data-driven insights for our customers.
With Replica data, it's possible to answer new questions about scenario planning