rigid pavement

ESAL
Highway Design, Pavement, Traffic Engineering

ESAL Cheat Sheet: Quick Reference for Pavement Engineers

What is an ESAL? ESAL Formula Where: Typical Load Equivalency Factors (LEFs) (based on AASHTO & typical LEFs) Vehicle Type Axles Typical Load (kips per axle) Approx. ESAL per Pass Passenger Car (sedan) 2 2–3 0.0004 Pickup / SUV 2 3–4 0.001 Delivery Van (2-axle, light) 2 4–5 0.005 Single-Unit Truck (2-axle, 6-tire) 2 6–9 […]

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Flexible vs. Rigid Pavement
Highway Design, Pavement, Traffic Engineering, Transportation Planning

Flexible vs. Rigid Pavement: Which Is Right for Your Project?

When planning a new road, street, or highway, one of the most important decisions you’ll face is whether to use flexible or rigid pavement. Each has its advantages, costs, and ideal use cases. Choosing the right type of pavement can save millions in construction and maintenance over the project’s lifecycle. In this post, we break

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