Aries®, along with the ASC/2M master, meets all traffic control needs. The master provides Traffic Responsive (TR) operation for automatic plan selection from measurement of scaled volume, scaled occupancy, or the greater value of each. The ASC/2M also supplies TOD (Time-of-Day) operation for predictable plan changes and TR override in the instance that the cycle length selected by TR operation is greater than the one selected by TOD. The master allows for crossing arterial coordination when two major streets intersect and can be overridden by manual plan selection by keyboard or central command whenever special conditions occur.
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