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This report describes the system capability assessment for the
Cooperative Intersection Collision Avoidance System for Violations
(CICAS-V) based on data collected from objective tests and a pilot
test. The CICAS-V is a vehicle-to-infrastructure system that
provides visual, audio, and haptic (brake pulse) warnings when a
vehicle is in danger of violating a traffic signal or stop sign at
an intersection. A series of objective tests were conducted at the
Virginia Tech Transportation Institute. Each test was defined by an
initial geometry, a set of validity constraints (such as the
sufficient GPS accuracy), and a set of pass/fail criteria. The test
series investigated the ability to appropriately warn or not warn
at various speeds, in appropriately discerned lanes, under dynamic
lane changes, under changing signal conditions, and in the presence
of multiple equipped intersections. A pilot test was run with
nearly 100 naive drivers on a two-hour prescribed course in the
Blacksburg, VA area.
This report documents the process required for data exchange
between a conductor of a field operational test (FOT) and an
independent evaluator based on the experience of the Cooperative
Intersection Collision Avoidance System for Violations (CICAS-V)
FOT project. This report also describes lessons learned from the
data exchange in this project and proposes improvements to the
process going forward. The main implementation of these
improvements will be to design and maintain a Relational Database
Management System (RDBMS).
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