Design for Fish Passage at Roadway-Stream Crossings

This document provides four categories for culvert design techniques: No Impedance, Geomorphic Simulation, Hydraulic Simulation and Hydraulic Design. Design examples and case studies are provided, alongside information on construction, maintenance and...

Design of Road Culverts for Fish Passage

This guide is intended for people designing permanent road-crossing culverts to facilitate upstream fish migration. It provides guidance for projects involving new culvert construction and retrofitting or replacing existing culverts.