Analysis, Modeling, and Simulation (AMS) Testbed Requirements for Dynamic Mobility Applications (DMA) and Active Transportation and Demand Management (ATDM) programs
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Summary
This report establishes the functional requirements for an Analysis, Modeling, and Simulation (AMS) Testbed designed to evaluate Dynamic Mobility Applications (DMA) and Active Transportation and Demand Management (ATDM) programs. The research addresses the need to quantify the cost-effectiveness and system-wide impacts of integrating predictive, active transportation management with data from connected vehicles and infrastructure. While ATDM focuses on dynamic control of traffic flow and demand, DMA focuses on transformative applications leveraging wireless data from connected travelers and vehicles. The study aims to provide a unified framework to test hypotheses regarding whether these integrated approaches yield significant gains in mobility, safety, and environmental performance compared to legacy reactive systems. The methodology involved synthesizing foundational research from both programs to identify a combined set of 103 high-level functional requirements. These requirements cover system entities (users, connected vehicles, communications systems, operational data environments, and managers), data and information flows (including latency, reliability, and accuracy), specific ATDM strategies and DMA applications, operational conditions (demand, incidents, weather), and performance metrics (mobility, safety, cost, environment). Each requirement was assigned a technical risk rating, an importance rating, and a priority score. Technical risk and importance were assessed subjectively using feedback from expert stakeholders, USDOT review teams, and authors, gathered during a workshop at the 2013 TRB Annual Meeting. Priority ratings were calculated non-subjectively by combining risk and importance assessments across tactical and strategic modeling scales. The goal was to maximize important requirements while minimizing technical risk for near-term testbed development. The primary finding is the identification and prioritization of these 103 requirements, which define the capabilities necessary for an AMS Testbed to differentiate between alternative system configurations. The report outlines four alternative deployed systems, ranging from unconnected, reactive management to fully connected systems with integrated predictive management and synergistic data usage. The requirements are structured to allow the testbed to model actual metropolitan transportation systems, including road, transit, and parking networks, alongside transportation demand. The analysis confirms that while the functional requirements provide a high-level capability set, they are not sufficiently detailed for direct testbed construction and must be broken down into more specific technical specifications in subsequent design efforts. The significance of this work lies in providing a structured, priority-weighted roadmap for developing AMS Testbeds that can rigorously evaluate the integration of DMA and ATDM concepts. By defining clear requirements and hypotheses, the report enables the USDOT to assess the technical feasibility and potential benefits of deploying these transformative applications and strategies. This facilitates informed decision-making regarding large-scale demonstrations and pilot deployments, ensuring that investments in connected vehicle technologies and active management practices are justified by quantifiable improvements in system efficiency and safety.
Key finding
The study identifies 103 prioritized functional requirements for an AMS Testbed to evaluate DMA and ATDM programs, with ratings derived from expert assessments of technical risk and importance.
Methodology
review
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (6 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 24 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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- Theoretical Contribution: computational model