National Travel Monitoring Exposition and Conference

2026 · Nashville, Tennessee — Three podium presentations translating digital twins, sensing, and connected-vehicle safety analytics for a travel-monitoring audience.

Presentation archive

Research shared at this conference.

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Podium presentation

AI-Enhanced Traffic Safety Digital Twin: From Intelligent Sensors to Simulation and Decision Support

Shows how intelligent sensing, microscopic simulation, and safety measures can be assembled into a transparent what-if decision-support environment.

Project: Transportation safety digital twins ↗Request slides or poster ↗

Podium presentation

AI-Driven Extraction of Network-Wide Safety Indicators from Next-Generation Sensing Sources

Presents an AI pipeline for converting next-generation sensing into consistent, interpretable safety indicators across a road network.

Report: NCHRP Research Report 1152 ↗Request slides or poster ↗

Podium presentation

Can Surrogate Safety Measures Explain Crash Patterns at Signalized Intersections? Evidence from Network-Wide Connected-Vehicle Data Using Negative Binomial, Random Forest, and Diffusion GNN Models

Compares statistical, machine-learning, and graph-based models for connecting connected-vehicle safety indicators with observed crash patterns.

Publication: Journal of Safety Research article ↗Request slides or poster ↗

Conference photos

Selected moments from the event.

Mehrdad Nasri presenting at NaTMEC 2026 — Presenting diffusion GNN results for connected-vehicle safety analysis.

NaTMEC 2026 transportation safety presentation — Sharing network-wide safety-indicator research.

NaTMEC 2026 podium session — A technical session on next-generation traffic monitoring.

NaTMEC 2026 audience discussion — Discussion with researchers and practitioners.

NaTMEC 2026 conference presentation — Explaining methods and implementation implications.

NaTMEC 2026 presentation slide — A research result from the conference presentation.

NaTMEC 2026 professional exchange — Research exchange during the conference.

NaTMEC 2026 event moment — A moment from the travel-monitoring community.

NaTMEC 2026 technical program — Participating in the technical program.

NaTMEC 2026 conference gathering — Connecting with colleagues at NaTMEC 2026.

NaTMEC 2026 conference photo — A conference memory from Nashville.

NaTMEC 2026 closing photo — A final moment from the NaTMEC collection.