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Highway Design Tools

The following design aids and information may be used to develop a roadway design and prepare PS&E packages.  Division tools are also available at left.

Roadway Geometry

The following spreadsheets are intended to assist Highway Design professionals in completing lines and grades. All results should be verified by a Professional Engineer. Unless otherwise stated the spreadsheets make use of AASHTO's A Policy on Geometric Design of Highways and Streets (the Green Book). All spreadsheets are provided as-is.


  • USGS StreamStats - provides an assortment of analytical tools that are useful for a variety of water-resources planning and management purposes

Roadside Barriers

Traffic Engineering

Updated: Monday, March 28, 2022