What you can do with Transportation Engineering tools
General users can use these tools from their dedicated pages. Each tool includes its purpose, instructions, result guidance and links to closely related utilities.
Choose a tool by name or filter the category. For calculations, verify units and assumptions before relying on the result. For text, document, web and diagnostic tools, review generated output before using it in production, publication or formal decisions.
Calculators & Analysis
6 toolsRoad Curve Radius
Calculate road curve radius from the values you enter.
New · usage tracking activeOpen tool →Roadway Capacity
Calculate roadway capacity from the values you enter.
New · usage tracking activeOpen tool →Stopping Sight Distance
Calculate stopping sight distance from the values you enter.
New · usage tracking activeOpen tool →Traffic Flow from Density & Speed
Calculate traffic flow from density & speed from the values you enter.
New · usage tracking activeOpen tool →Travel Time
Calculate travel time from the values you enter.
New · usage tracking activeOpen tool →Volume-Capacity Ratio
Calculate volume-capacity ratio from the values you enter.
New · usage tracking activeOpen tool →