Transportation Engineering Calculators
Professional Tools for Traffic Analysis, Highway Design, and Urban Mobility
Explore CalculatorsAdvanced Traffic & Highway Design Tools
Simplify complex transportation calculations with our free online tools
Transportation engineering requires precise traffic analysis and highway design calculations to ensure the safety, efficiency, and sustainability of transportation systems. Our comprehensive suite of transportation engineering calculators provides accurate results for traffic flow, pavement design, sight distance, and other critical transportation applications.
Whether you’re a professional transportation engineer, urban planner, civil engineer, or engineering student, these free online calculators will help you save time, reduce errors, and improve your design workflow. All calculators follow industry standards and transportation engineering principles to ensure reliable results for your projects.
Transportation Engineering Calculators
Comprehensive tools for every traffic analysis and highway design application
Traffic Flow Calculator
Calculate traffic flow parameters including volume, density, speed, and headway for various traffic conditions using fundamental traffic flow relationships.
Use CalculatorPavement Design Calculator
Design flexible and rigid pavements based on traffic loads, material properties, and environmental conditions using AASHTO and other design methodologies.
Use CalculatorSight Distance Calculator
Determine stopping sight distance, passing sight distance, and decision sight distance for various design speeds and road conditions.
Use CalculatorHighway Capacity Calculator
Calculate the capacity and level of service for highways, freeways, and multilane roads based on Highway Capacity Manual methodologies.
Use CalculatorTurning Radius Calculator
Determine minimum turning radius for various vehicle types and design speeds to ensure safe and efficient intersection and curve designs.
Use CalculatorRoad Grade Calculator
Calculate road grades, elevations, and vertical curve parameters for highway design to ensure proper drainage and safe driving conditions.
Use CalculatorParking Lot Design Calculator
Determine the optimal number of parking spaces, layout dimensions, and circulation patterns based on land area and parking requirements.
Use CalculatorIntersection Delay Calculator
Calculate vehicle delays and level of service at signalized and unsignalized intersections using Highway Capacity Manual methodologies.
Use CalculatorTraffic Signal Timing Calculator
Design optimal signal timing plans including cycle length, green times, and phase sequences for isolated intersections and coordinated systems.
Use CalculatorVehicle Stopping Distance Calculator
Calculate the total stopping distance required for vehicles under various speed, road surface, and weather conditions for safety analysis.
Use CalculatorTrip Generation Calculator
Estimate the number of trips generated by different land uses based on ITE Trip Generation Manual and other standard methodologies.
Use CalculatorModal Split Calculator
Determine the distribution of trips among different transportation modes (car, transit, walking, cycling) based on various factors.
Use CalculatorRoundabout Capacity Calculator
Calculate the capacity, delays, and level of service for single-lane and multi-lane roundabouts using various analytical methods.
Use CalculatorPedestrian Flow Calculator
Analyze pedestrian flow characteristics including speed, density, and level of service for sidewalks, crosswalks, and public spaces.
Use CalculatorBicycle Lane Design Calculator
Determine appropriate bicycle lane widths, buffer zones, and other design parameters based on traffic volumes and speed conditions.
Use CalculatorWhy Use Our Transportation Engineering Calculators?
Designed by transportation engineers for transportation engineers
Accuracy & Reliability
All calculators follow industry standards and transportation engineering principles, ensuring precise results for your traffic analysis and highway design projects.
Time-Saving
Reduce calculation time from hours to minutes, allowing you to focus on transportation analysis, interpretation, and design optimization.
Code Compliant
Built to comply with international standards including AASHTO, Highway Capacity Manual, MUTCD, and other relevant transportation engineering codes.
Accessible Anywhere
Access all calculators on any device, from desktop computers to smartphones and tablets, in the office or at the project site.
How It Works
Get results in just a few simple steps
Select Calculator
Choose the appropriate calculator from our comprehensive transportation engineering collection.
Input Parameters
Enter your traffic data, road characteristics, and project-specific values with appropriate units of measurement.
Calculate Results
Get instant, accurate calculations based on established transportation engineering principles and methodologies.
Export & Apply
Download results in various formats and apply them to your transportation engineering projects and reports.
Ready to Streamline Your Transportation Engineering Calculations?
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