WHITE PAPER

StreetLight Data Sources & Methodology White Paper

StreetLight Data Sources and Methodology White Paper Final - Feb 2025_1

This white paper describes the methodology employed by StreetLight to develop comprehensive, granular travel pattern metrics covering North America. This document is relevant for all StreetLight InSight® metrics, providing details about how StreetLight ingests, processes, and validates its metrics, whether they are available via the StreetLight InSight® platform, via data API, or via custom delivery. 

StreetLight is a transportation analytics company that provides mobility data, transportation intelligence, and analytics software for public agencies, engineering firms, and private sector organizations. Its data is used by thousands of transportation agencies and private sector clients to understand real-world travel patterns on roadways across North America. 

Organizations use StreetLight's data to do everything from identify sources of congestion to plan electric vehicle charging infrastructure to identify the right street to place a bike lane to pick the next site for a retail expansion. 

Download our white paper to see the methodology, data science, and sources behind StreetLight's metrics. Learn more about our methodology, including: 

  • Our data processing methodology to develop all metrics
  • How we normalize and expand data to derive StreetLight volume estimates
Uncover why StreetLight is the industry's most widely used transportation data source. Validated by industry peers with an R2 between StreetLight AADT and AADT values from permanent counters of 0.98, StreetLight AADT data is trained and validated using over 6,600 unique permanent counter data points across the U.S. and 2,500+ across Canada. 

 

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