Gradient Systematics' Blog
Insights into transportation and roadway safety, technology, and strategies.
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TIA vs. TIS vs. Traffic Memo — Which One Do You Actually Need?
Three labels, inconsistently used across jurisdictions — and how to tell which deliverable your project actually needs.
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Beyond the ITE Manual
When standard trip rates get it wrong — and a more rigorous toolkit for trip generation you can defend.
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How Big Should a Traffic Study Area Really Be?
A practical guide to scoping the study area for a Traffic Impact Analysis — where to draw the line, and why.
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Is a Traffic Impact Analysis (TIA) Required for Your Project in Texas?
Thresholds, triggers, and the DFW review process — translated for anyone getting a project approved.
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How New Vehicle Tech is Saving Lives
The Role of Safer Vehicles in Reducing Roadway Fatalities.
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Can We Save 12,000 Lives?
How the National Roadway Safety Strategy (SS4A) Targets Speeding, Drinking, and Seat Belts.