Agent-based mesoscopic traffic flow simulation model (Mesa + UXsim)

[EwoutH]

I'm developing a hybrid Agent-based mesoscopic traffic flow simulation model, using Mesa and UXsim. It's based on a real-world road network extracted and processed with OSMnx. It's in early stages, but development can be followed here:

• https://github.com/EwoutH/urban-self-driving-effects/tree/main/model

Core features from Mesa used are the AgentSet and the experimental DEVS simulator.

Once it's in further stages I will describe it more extensively, and maybe open a PR to add (a simplified version) as an example. But for now a quick share for anyone interested to follow.

Early conceptual model

[EwoutH]

Quick update: Model is running and has reached minimal-viable product status, with a latest interaction bug between Mesa and UXsim resolved (correct bookkeeping of time in both is important): EwoutH/urban-self-driving-effects@2a702c3. It was an interesting case in using DEVS to schedule things for another simulation model.

The modal is simulating traffic in a ~half a million city during a full day, represented by 120.000 agents which each represent 5 people in the traffic model. UXsim is running with up to 50 thousand vehicles simultaneously. Each 900 seconds the model recalculates all travel times between all nodes on which allows Agents to take new mode choice decisions.

First traffic patterns are following expectations. Lot's of "magic numbers" of course, tomorrow is data collection, aggregation, plotting and validation day. Goal is to determine where to refine more.

Then it's taking a step back to the original research goals to see which questions we can exactly answer, what we need to be able to do that, which are unfeasible.

[PRIYANSHU2026]

Hi @EwoutH we successfully presented our research paper titled "GIS-Based Urban Traffic Simulation by Mesa Framework" at the prestigious Springer International Conference CSEAI24 (2nd International Conference on Computing for Science, Engineering, and Artificial Intelligence) The paper is currently in the process of being published and will be indexed in Scopus and Web of Science.

https://www.linkedin.com/feed/update/urn:li:activity:7283545533720190977/

Paper_ID@AICCT2024[1].pptx - Read-Only.key.pdf

please review our PPT

[PRIYANSHU2026]

Hi @EwoutH, just a gentle reminder, I’m waiting for your feedback on the PPT. It’s been three days now. Please share your thoughts

[EwoutH]

Congratulations!

What do you want reviewed exactly with what purpose?

[PRIYANSHU2026]

I want your opinion and suggestions for improvement because this project is now moving forward to several hackathons. After publication, I will share the full-length paper. How I Integrated Mesa in this Research.

Thank you for motivating me to improve my research, communication, and core programming skills.

[EwoutH]

I think you could add some focus my defining specific research questions/goals, and then building the remainder of your presentation around that.