SPEED ZONE STUDIES

45 Years of Proven Experience

DeShazo Group has completed speed zone studies for cities, counties, school zones, and rapidly developing corridors across Texas. We deliver clear, data-backed recommendations that withstand public review and regulatory scrutiny.

Our approach balances safety, mobility, and community needs—so projects move forward with confidence.

Market Research & Analysis

What We Do

• 1Field Data Collection — spot speed runs, roadway geometry, adjacent land uses, and operating conditions.
• 285th Percentile Analysis — industry-standard statistical methods to set reasonable, enforceable limits.
• 3Safety Review — crash histories and context to identify locations needing speed management.
• 4Regulatory Compliance — alignment with TxDOT guidance, Texas Administrative Code, and the MUTCD.
• 5Agency & Public Coordination — collaboration with cities, school districts, and law enforcement to build support.

Community Outcomes

Why It Matters

• 1Improved Safety for drivers, pedestrians, and cyclists where conflicts can be severe.
• 2Defensible Enforcement through limits based on transparent, defensible data.
• 3Balanced Mobility that considers roadway function, development, school activity, and user needs.
• 4Public Confidence from clear documentation and graphics that explain the “why.”

Private & Public Sector Experience

Example Projects

• 1School zones and Safe Routes to School corridors.
• 2New or reconstructed roadway segments.
• 3Urban corridors with growth and modal change.
• 4Neighborhood collectors and residential traffic management.
• 5County / municipal roadway networks.