Abstract
Advanced Technologies (ATI) is in the process of developing a dual redundant open source traffic intersection control system for the U.S. Department of Transportation. This system is known as a Signal Control Program Environment (SCOPE). A unique aspect of this effort is that we use all open source non-supported toolsets from requirements though formal qualification testing. This paper will describe our development process, prototype, and current work.The development of the SCOPE is a two part effort. The first part, already completed, was to build a prototype intersection control system that implemented a subsection of newly developed intersection traffic flow control and preemption concepts. In six months, two ATI engineers performed a complete software development lifecycle. The result was a working Ada95/C++ prototype that executes under Linux and can be easily ported to any hardware architecture .
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