California DOT CADD

by Jeffrey S. Crovitz, Caltrans CADD Development Unit, United States,

Document Type: Proceeding Paper

Part of: Microcomputer Applications in Transportation III


Starting in 1983 the California Department of Transportation (Caltrans) embarked on a project to incorporate current computer technology into the project development process. Today the system for engineering calculation, graphics based roadway design and computer aided drafting is installed and in use in 12 districts throughout the state. Peripheral support systems are also installed and being developed to increase the productivity of the CADD (Computer Aided Design and Drafting) system. This paper presents a short history of the project, an overview of the installation of the system, the software and hardware in use, the training program for operators and finally the process flow of design through the Caltrans CADD process.

Subject Headings: Computer aided design | Highway and road design | Systems engineering | Highways and roads | History | Graphic methods | Flow visualization | Traffic flow | California | United States

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