Gradient Systematics

Gradient Systematics' Blog

Insights into transportation and roadway safety, technology, and strategies.

TIA vs. TIS vs. Traffic Memo — Which One Do You Actually Need?
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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.

Beyond the ITE Manual
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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.

How Big Should a Traffic Study Area Really Be?
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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.

Is a Traffic Impact Analysis (TIA) Required for Your Project in Texas?
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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.

How New Vehicle Tech is Saving Lives
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How New Vehicle Tech is Saving Lives

The Role of Safer Vehicles in Reducing Roadway Fatalities.

Can We Save 12,000 Lives?
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Can We Save 12,000 Lives?

How the National Roadway Safety Strategy (SS4A) Targets Speeding, Drinking, and Seat Belts.