ISO/TR 16786:2015 PDF

Intelligent transport systems — The use of simulation models for evaluation of traffic management systems — Input parameters and reporting template for simulation of traffic signal control systems

Название (английский):

ISO/TR 16786:2015

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 14 августа 2015 г.
Издание:: ISO TR 16786 edition 1 version 1
ICS:: 03.220.01

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Описание (английский):

ISO/TR 16786:2015 provides guidelines for disclosing simulation conditions and results when evaluating the performance of signal control methods, focusing on algorithm that establishes signal timings based on traffic conditions. The following are the main aims of the evaluation of signal control systems: a) to evaluate the quality of the algorithm in various traffic conditions; b) to evaluate the validity of the algorithm for specific applications (types of intersection); c) to establish a fair comparison of the algorithm versus other existing algorithms or other types of control systems; d) to evaluate the results of the implementation of a signal control system objectively. When claiming and/or comparing the performance of signal control systems from simulation results, it is necessary to clarify simulation conditions and results so that third parties can objectively judge its fairness and reasonability. ISO/TR 16786:2 describes minimum necessary items of conditions that shall be disclosed to ensure fair evaluation and does not describe maximum possible items.

Технические детали

Технический комитет: ISO/TC 204 - Intelligent transport systems
SKU: ISO/TR 16786:2015

Abstract

Overview

ISO/TR 16786:2015 is a Technical Report from ISO/TC 204 that provides guidelines for the disclosure of simulation input parameters and reporting templates when evaluating traffic signal control systems using simulation models. The document focuses on algorithms that determine signal timings based on traffic conditions and specifies the minimum necessary items to report so third parties can objectively judge the fairness and reproducibility of simulation-based performance claims. Primary evaluation aims include assessing algorithm quality across traffic conditions, suitability for intersection types, fair comparison against other control methods, and objective assessment of implementation results.

Key Topics and Requirements

The Technical Report defines the essential simulation conditions and reporting items for two categories: signal control for isolated intersections and area traffic control. Key topics include:

Simulator details
- Manufacturer, product name, and version.
- Disclosure of model calibration (validation is recommended but out of scope).
Road network
- Number of links and lanes (including additional/lost lanes), link lengths, directions, and geometry.
- Clarify restricted-use lanes (buses, bicycles) where applicable.
Vehicle detectors and sensing
- Detector locations, detection areas, measured items (volume, occupancy), lane assignments.
- Alternative data sources (probe data) and their collection items, especially if not field-feasible.
Traffic conditions and simulation timing
- Demand composition (vehicle types, percentages), public transit and pedestrian inputs, turning ratios.
- Vehicle generation distribution (e.g., Poisson), saturation flow rates, average speeds.
- Simulation time, resolution (time step), and pre-simulation warm-up time.
- Recommendation to test across normal, near-saturated, and oversaturated conditions.
Signal control parameters
- Phase patterns (sequence, fixed/variable), clearance time, cycle length, splits, and other control constraints or limits.
- Priority control descriptions when used.
Presentation of results
- Signal-control parameter reporting, evaluation indices, and targets for comparison.
- Annex A provides example simulation-condition templates for area traffic control.

Practical Applications and Users

ISO/TR 16786:2015 is practical for:

Traffic engineers and practitioners evaluating or deploying adaptive and time-of-day signal systems.
ITS developers and algorithm researchers benchmarking control logic in reproducible, transparent ways.
Consultants and vendors preparing simulation evidence for procurement or marketing claims.
Municipal authorities and procurement teams comparing candidate systems and validating vendor simulations. Practical benefits include improved comparability of simulation studies, transparent reporting for procurement, assessment of cost-effectiveness (e.g., detector deployment), and clearer justification for field trials or rollouts.

Related Standards and Notes

Prepared under ISO/TC 204 (Intelligent Transport Systems).
The report complements broader guidance on simulation model calibration (for example, FHWA’s Traffic Analysis Toolbox Volume III is referenced for calibration criteria).
ISO/TR 16786:2015 prescribes minimum disclosure items; it does not mandate maximum reporting detail nor perform validation of simulation models.

Overview

Key Topics and Requirements

Simulator details
- Manufacturer, product name, and version.
- Disclosure of model calibration (validation is recommended but out of scope).
Road network
- Number of links and lanes (including additional/lost lanes), link lengths, directions, and geometry.
- Clarify restricted-use lanes (buses, bicycles) where applicable.
Vehicle detectors and sensing
- Detector locations, detection areas, measured items (volume, occupancy), lane assignments.
- Alternative data sources (probe data) and their collection items, especially if not field-feasible.
Traffic conditions and simulation timing
- Demand composition (vehicle types, percentages), public transit and pedestrian inputs, turning ratios.
- Vehicle generation distribution (e.g., Poisson), saturation flow rates, average speeds.
- Simulation time, resolution (time step), and pre-simulation warm-up time.
- Recommendation to test across normal, near-saturated, and oversaturated conditions.
Signal control parameters
- Phase patterns (sequence, fixed/variable), clearance time, cycle length, splits, and other control constraints or limits.
- Priority control descriptions when used.
Presentation of results
- Signal-control parameter reporting, evaluation indices, and targets for comparison.
- Annex A provides example simulation-condition templates for area traffic control.

Practical Applications and Users

ISO/TR 16786:2015 is practical for:

Traffic engineers and practitioners evaluating or deploying adaptive and time-of-day signal systems.
ITS developers and algorithm researchers benchmarking control logic in reproducible, transparent ways.
Consultants and vendors preparing simulation evidence for procurement or marketing claims.
Municipal authorities and procurement teams comparing candidate systems and validating vendor simulations. Practical benefits include improved comparability of simulation studies, transparent reporting for procurement, assessment of cost-effectiveness (e.g., detector deployment), and clearer justification for field trials or rollouts.

Related Standards and Notes

Prepared under ISO/TC 204 (Intelligent Transport Systems).
The report complements broader guidance on simulation model calibration (for example, FHWA’s Traffic Analysis Toolbox Volume III is referenced for calibration criteria).
ISO/TR 16786:2015 prescribes minimum disclosure items; it does not mandate maximum reporting detail nor perform validation of simulation models.

ISO/TR 16786:2015 PDF

Технические детали

Abstract

Overview

Key Topics and Requirements

Practical Applications and Users

Related Standards and Notes

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Abstract

Overview

Key Topics and Requirements

Practical Applications and Users

Related Standards and Notes

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