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Tools for urban traffic control

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Invaluable assistance for system operators

From the engineering and implementation phase right up to daily operation: Traffic engineers and system operators can rely on a range of valuable tools for planning, data supply, administration and operation of their traffic control systems. With Sitraffic Office and VISSIM, they can benefit from the many advantages of a fully integrated, modular software system and an advanced microscopic simulation program. 

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Tools for urban traffic control

Sitraffic Office, VISSIM micro-simulation, customerized engineering

The traffic experts from Siemens offer the full range of traffic engineering services – from consulting, baseline studies and traffic analyses or planning and implementation of technical equipment right up to on-site commissioning support and quality control. With our tools for urban traffic control, we can provide comprehensive support for the development of targeted measures in your municipality.

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Sitraffic Office and VISSIM

The integrated traffic engineering workstation

  • All steps can be carried out at a single workstation, from planning an intersection (including tests and data supply simulation) right up to designing traffic actuation algorithms for entire networks.
  • VISSIM and Sitraffic Office are fully integrated, enabling the direct transfer of all required data and configuration parameters from Sitraffic Office to VISSIM. Hence the user can start the test or simulation process right within Sitraffic Office. 
  • The following types of data can be shared: intersection topology and layout, individual routes or entire road network including all relevant objects as well as traffic volume profiles on the basis of historical directional flow data.
  • For different intersection states or versions, identical simulation parameters are used. All relevant data are then stored also in the central database of Sitraffic Office, of course.
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Sitraffic Office

The fully integrated modular software system

With Sitraffic Office, we offer a completely integrated modular software system that provides the necessary tools on the basis of a shared data pool - for the planner, the data provider, the software engineer, the operator and the service technician. The modular structure of Sitraffic Office allows step-by-step implementation of a complete system – by successively activating additional functions or function packages to meet new requirements.
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Sitraffic Office brings together intersection, route and network planning so that all the factors that are closely interlinked in actual traffic are also meshed in the software. The planning module also serves as the database for data supply.

All software packages have access to one central data pool. Time-consuming multiple entries for planning, data supply and programming tasks are superfluous. This reduces not only the workload, but also the risk of discrepancies or errors due to internal data import or export.

Thanks to the multi-user/multi-client principle, several workstations can easily work on the same projects in parallel, creating an optimal workflow.

The modular structure of Sitraffic Office allows the step-by-step implementation of a complete system over an extended period of time through the successive activation of additional functions or function packages – as needed.

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Sitraffic Office. Benefits and highlights:

  • Includes all necessary tools supported by a common database
  • Modular structure allows step-by-step implementation of an inclusive system
  • Activation of functions or function packages
  • No time-consuming multiple entries of the same data
  • Optimum workflow thanks to multi-user/multi-client principle
Sitraffic Office
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VISSIM

The microscopic traffic simulation tool

VISSIM is a software tool for microscopic simulation used for modeling multimodal traffic flows across intersections and entire networks. VISSIM maps both urban and interurban areas with a high level of accuracy and covers all traffic modes – including motorized transport, pedestrians and cyclists.

Download table as: PDF Excel
All modeling options …
... for a wide range of traffic engineering issues
Complex signalized and unsignalized intersections Design, tests and evaluation of traffic-actuated signal control systems
Traffic circles Design and dimensioning of intersections
U-turns, mixed-flow lanes, separate (2-lane) turn lanes Modeling of complex public transport intersections
Bicycle paths and lanes shared by different modes (bicycles and motorized vehicles) Analysis of public transport acceleration measures
Public transport stops and terminals Evaluation and optimization of intelligent transport systems
Pedestrian-vehicle interaction Visualization of planning alternatives for supporting the political decision making process
Multi-lane freeways with user-defined curviness and roadway grades Creation of development plans, for instance for supermarkets, malls or entire city districts
Freeway junctions, interchanges and merging and weaving areas Set-up and coordination of roadwork sites
Traffic calming measures
Environmental impact studies, including emission calculations
Performance analyses of rail transport systems
Planning of parking facilities and modeling of parking-related traffic
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VISSIM can simulate the following processes and systems:

  • Fixed-time control systems
  • Traffic-actuated control systems such as Sitraffic PDM(e) or S-L(e)
  • Adaptive network control systems such as Sitraffic Motion MX and Scoot
  • Numerous other control processes of other providers
  • Coordinated green phases
  • Public transport priority schemes
  • Rail transport control
  • Priority schemes for emergency vehicles
  • Ramp metering
  • Dynamic speed limit signs
  • Dynamic lane use signs

VISSIM. Benefits and highlights:

  • Modeling of multimodal traffic flows
  • Mapping of urban and interurban traffic flows
  • Covers motorized transport, cyclists and pedestrians
  • Design, testing and evaluation of traffic-actuated signal control systems
  • Planning of parking facilities and modeling of parking-related traffic 
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Traffic system engineering tailored to your city

Everything from status analyses to quality management

The traffic experts from Siemens offer the full range of traffic engineering services – from consulting, baseline studies and traffic analyses or planning and implementation of technical equipment right up to on-site commissioning support and quality control. 

Traffic engineering for your city
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Downloads, support and services

Infrastructure and urban traffic control

Growing traffic volumes, increasing air pollution, rising costs: A mobility solution cannot solve all your infrastructure challenges on its own. But it will always contribute to making your city or municipality even more modern, more attractive and more environmentally friendly.

Contact us

Invaluable assistance for system operators

From the engineering and implementation phase right up to daily operation: Traffic engineers and system operators can rely on a range of valuable tools for planning, data supply, administration and operation of their traffic control systems.

Learn more about your customized solution
Contact us