Hidden insights inside all 50 state freight plans
Read Altitude’s eBook to understand common threads between all 50 state freight plans and the 3 top challenges for planners to address in 2026.
Expansion Factors Version 3.0 leverages an improved methodology that includes annual average daily traffic (AADT) counts at the road segment level. Additionally, we’ve made enhancements to our vehicle groups, state- and county-level Expansion Factors in this release to continue providing you with the most comprehensive and trustworthy transportation insights we can.

Expansion Factors 3.0 puts you in the driver’s seat of better planning by giving you access to aggregated data from over six million road segments across five different road types: Motorway, trunk, primary, secondary and tertiary. Plus, with new training and inference filters available, you can easily cut out irrelevant data points and get to the insights you need for a better transportation project plan faster. Read this white paper to learn more about everything this release has to offer as well as the detailed performance calculations we use to test our analytics’ accuracy.