Drainage Design

Highway Drainage Policy (RDG Chapter 600)

Highway Drainage Design Manual: Hydrology

Highway Drainage Design Manual: Hydraulics

Stormwater Requirements for External Parties

ADOT Erosion and Pollution Control Manual

Drainage Teams Regional Work Boundaries

ADOT Scour at Sill Structures

ADOT Sizing Riprap for Approach Structures and Spur Dikes

HEC-11, Design of Riprap Revetments

HEC-9, Debris Control / Structures

Highways in the River Environments

ADWR State Standard for Floodplain Hydraulics Modeling

FHWA Publications

Office of Environmental Services

Roadside Development

Flood Control District of Maricopa County

Major Rivers and Streams

Arizona Major Drainage Basins

Operational Drainage Frequency

Arizona Department of Transportation

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ROADWAY DRAINAGE DESIGN SECTION
MISSION STATEMENT:
The Arizona Department of Transportation's Roadway Drainage Section provides technical expertise in the field of hydrology, hydraulics and water resources engineering to all the units of the Intermodal Transportation Division (ITD). ITD is the division of ADOT, which oversees the construction and maintenance of the state highway system.
Our purpose is to provide statewide drainage analysis, design and reviews, in a timely manner, on all projects during the project development process and maintenance activities, in support of the goals set forth in the ADOT mission.

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