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Siemens

SCOOT Adaptive System

Siemens premier adaptive system providing advanced traffic control options for complicated network applications.

SCOOT, which represents Split, Cycle and Offset Optimization Technique, is a dynamic, on-line, real-time method of signal control.

  • Optimization of the network is achieved using small, regular changes designed to avoid major disturbance of traffic flow.
  • Cycle Split and Offset are all optimized
  • Performance indexes (stops and delays) are used to measure effectiveness similar to TRANSYT.

Why Update Your Signal Timing Plans every 4 years when SCOOT does it every 3 seconds?

A proven strategy for ‘Hot Spot’ Traffic Control that can be implemented on a selected basis, SCOOT uses a flexible coordination plan that will expand or contract to match the latest traffic conditions. SCOOT makes an ideal complement to standard Time of Day and Traffic Responsive based traffic control.

Overview

SCOOT is a dynamic, on-line, real-time method of signal control that continuously measures traffic demand on all approaches to intersections in a network and optimizes the signal timings at each intersection to minimize delay and stops. Timing changes are small, to avoid major disruption to traffic flows, and frequent, to allow rapid response to changing traffic conditions.

SCOOT Traffic Model

The heart of SCOOT is a traffic model that predicts a short-term traffic demand. SCOOT uses this model to predict the effect of small changes to the current timing of signals. The SCOOT traffic model is based on data collected from presence detectors at the rate of once per second on each link to the network.

Data Processing

This data is processed, then updates the cyclic flow profiles - one for each link. The traffic flow model contains a representation of traffic demand at the stop line.

Results of implementing a SCOOT system include reduced travel time and driver delay, improvements in air quality, lower fuel consumption, and savings on planning time.

Features

  • Fully responsive to varying traffic flow conditions, i.e., sporting events and incidents.
  • Suitable for implementation on all types of urban roads, grids, corridors, and arteries.
  • Easy-to-use window style graphical user interfaces.
  • Can be added to existing Urban or Freeway Traffic Management Systems or provided as part of a complete traffic management system.

Downloads

For all communications, networking and intelligent traffic systems (ITS) products in Virginia contact Washington by email at Zach L. Hoiting,ZHoiting@WesternSystems-Inc.com or by calling 425-438-1133.

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