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Smart Transportation Lab

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Yao-Jan Wu, Ph.D., P.E.

Professor

Founder/Director of STL & CATS

• Professor
• Director of Smart Transportation Lab
• Director of Center for Applied Transportation Sciences (CATS)
• Licensed P.E. in Arizona and Missouri

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Mingfeng Shang

Assistant Research Professor

July 2024 - Present

• Automated Vehicles
• Mixed Autonomy Traffic
• Modeling AV traffic

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Bharat Kumar Pathivada

Research Scientist

Mar. 2025 - Present

• Traffic Safety Analysis
• Human Factors
• Crash Modeling
• Intelligent Transportation Systems

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Jun Zhao

Post-Doctoral Researcher

July 2024 - Present

• Travel Behavior Modeling
• Traffic Simulation
• Human-AI Interaction Experiment

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Pouya Jalali Khalilabadi

Graduate Research Assistant
& Lab Manager

Ph.D. Student

Fall 2021 - Present

• Traffic Safety

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Udaya Adhikari

Graduate Research Assistant

Ph.D. Student

Summer 2024 - Present

• Data collection
• Research Assistance

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Nafiul Islam Anan

Graduate Research Assistant

Ph.D. Student

Fall 2025 - Present

• Traffic Safety
• Traffic Modeling

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Pei-Yu Leu

CATS IT Manager

July 2023 - Present

• System Architecture Optimization
• Database Optimization & Management
• Data Solution Development
• Software Development
• People Management

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Amr Shafik

Research Engineer

Mar. 2025 - Present

• Traffic Signal Optimization
• Connected Vehicle Trajectory Planning

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Pramesh Pudasaini

Research Engineer

May 2025 - Present

• Traffic Modeling

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Gabriel Geffen

Graduate Research Assistant

Ph.D. Student

Fall 2023 - Present

• Website administrator
• Data Mining

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Md Moin Morshed Rafe

Graduate Research Assistant

M.S. Student

Fall 2025 - Present

• Data collection
• Traffic Safety

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Sandeep Regmi

Graduate Research Assistant

Ph.D. Student

Fall 2025 - Present

• Traffic Safety
• Urban Mobility

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Student Workers

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Neha Chaudhari

Student Worker

M.S. Student

Summer 2025 - Present

• Data collection

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Tejus Gokal

Student Worker

B.S. Student

Fall 2024 - Spring 2025

• Data collection

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Mateo Pimienta

Student Worker

B.S. Student

Spring 2025 - Present

• Data Collection
• Website Assistance

Lab Alumni

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Orva Agbe, Ph.D.

Visiting Scholar

Sep. 2023 - Aug. 2025

Research Specialist

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Yousef Nasser Alnuaimi

Graduate Research Assistant

Fall 2023 - Summer 2025

M.S. Student

• Data Collection

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Mina Chaulagain

Lab Trainee

Fall 2024 - Spring 2025

M.S. Student

• Data collection

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Parth Chawdagor

Student Worker

Fall 2024 - Spring 2025

B.S. Student

• Data collection

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Bhupendra Sen Thakuri

CATS Intern

Fall 2024 - Spring 2025

B.S. Student

• Research Assistance

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Tiwatayo Akinboro

Student Worker

Fall 2024 - Spring 2025

M.S. Student

• Data collection

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Ian Lessels

Student Worker

Fall 2023 - Spring 2025

B.S. Student

• Data Collection
• Website Assistance

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Chris Valenzuela

Student Worker

Fall 2024

B.S. Student

• Data collection

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Mohsen Momenitabar

Postdoctoral Researcher

May 2024 - Dec. 2024

• Transportation Electrification
• Sustainable Transportation
• Optimization in Transportation and Logistics

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Henrick Haule

Assistant Research Professor

Sep. 2022 - Sep. 2024

CATS Center Manger

• Highway Traffic Analysis
• Traffic Safety

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Emma Liu

Student Worker

Fall 2023 - Spring 2024

B.S. Student

• Data collection

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Sharmin Nasrin, PhD

Visiting Scholar

Sep. 2023 - June 2024

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Cristina Reyes Valencia

Student Worker

Spring 2023 - Spring 2024

B.S. Student

• Data Collection

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Adrian Cottam

CATS IT Manager

Spring 2019 - Summer 2023

Ph.D. Student

• Traffic Data Analytics
• Web Application Development
• Machine Learning

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Xiaofeng Li, Ph.D.

Assistant Research Professor

Sep. 2021 - Aug. 2023

Assistant CATS Center Manager

• Traffic Signal Systems
• Transportation Data Analytics
• Traffic Control and Estimation

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Isidro Garcia

Undergraduate Research Assistant

Fall 2022 - Spring 2023

B.S. Student

• Data Collection

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Xiaobo Ma

Graduate Research Assistant

Fall 2018 - Fall 2022

Ph.D. Student

• Traffic Data Analytics
• Freeway Operations

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Ashley Avila

Lab Trainee

Fall 2019 - Summer 2022

B.S. Student

• Traffic data collection
• Traffic data analytics

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Bailey Homan

Undergraduate Research Assistant

Spring 2022

B.S. Student

• Data collection and analysis

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Lilly Cottam

Undergraduate Research Assistant

Spring 2019 - Spring 2022

B.S. Student

• Literature Review Support

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Melrose (Meiyu) Pan

Graduate Research Assistant

Fall 2020 - Spring 2021

Ph.D. Student

• Dissertation Topic TBD
• Transferred to Alyssa Ryan in Fall 2021

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Josh Swain

Undergraduate Research Assistant

Spring 2020 - Spring 2021

B.S. Student

• Traffic Data Analytics
• Traffic data collection

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Yu-Qiu (Rachael) Yuan, M.E.

Graduate Research Assistant

Fall 2019 - Fall 2020

M.E. Student

• Data-Driven Analytics

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Liang Xia

Visiting Scholar

Oct. 2019 - Oct. 2020

Ph.D. Student - Southwest Jiaotong University, China

• Public Transit Planning
• Traffic Simulation

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David Klebosky, M.E.

Graduate Research Assistant

Fall 2018 - Spring 2019

M.E. Student

• Probe Vehicle GPS Data Driven Research

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Chris Ackerman

Lab Trainee

Fall 2019

B.S. Student

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JT Dang, M.E.

Fall 2018 - Spring 2019

M.E. Student

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Yang Liang, M.S.

Visiting Scholar

Aug. 2018 - July 2019

M.S. Student - Tongji University, China

• Pedestrian Delay Study

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Alex Weber, M.E.

Graduate Research Assistant

Fall 2017 - Spring 2018

M.E. Student

• Traffic Data Collection Logistics
• Traffic Data Processing

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Sal Licari

Lab Trainee

Spring 2018

B.S. Student

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Nicholas Tritz

Lab Trainee

Spring 2017 - Fall 2017

B.S. Student

• Bluetooth Devices
• Data Collection

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Wenming Rao

Visiting Scholar

Fall 2016 - Fall 2017

Ph.D. Student - Southeast University, China

• O/D Estimation/Traffic Simulation

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Katie Ogg

High School Trainee

Spring 2017

High School Student

• Training for Traffic Data Analytics
• Home school: Basis High School

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Zheng Li, M.S.

Graduate Research Assistant

Fall 2015 - Summer 2017

M.S. Student

• Probe Vehicle GPS Data Driven Research

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Kiet Dao, M.E.

Graduate Research Assistant

Spring 2016 - Spring 2017

M.E. Student

• Bluetooth Project
• GPS Data Collection for Signal Retiming

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Payton Cooke, M.S.

Graduate Research Assistant

Summer 2015 - Fall 2016

M.S. Student

• Dissertation: Comparative Analysis of Multiple Data Sources for Travel Time and Delay Measurement

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Dylan Patel

Undergraduate Research Assistant

Spring 2016 - Fall 2016

B.S. Student

• New Traffic Data Collection Methods

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Mariana Valle Eguren

Visiting Scholar

Spring 2016

B.S. Student - Federal University of Triangulo Mineiro, Minas Gerais, Brazil

• Pedestrian and Bikes

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Ahmad Fakhouri, M.E.

Graduate RA & TA

Fall 2014 - Fall 2015

M.E. Student

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Joel Amarillas

Undergraduate Research Assistant

Spring 2014 - Summer 2014

B.S. Student

• Traffic Crash Data Analysis

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Hamid Mirzahossein

Visiting Scholar

Summer 2014 - Fall 2014

Ph.D. Student - Iran University of Science and Technology

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Yeji Jeon

Graduate Research Assistant

Fall 2023 - Summer 2025

Ph.D. Student

• Data Collection
• Research Assistance

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Smera Mohan

Lab Trainee

Spring 2025

B.S. Student

• Data collection

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Ethan Sagman

Student Worker

Fall 2024 - Spring 2025

B.S. Student

• Data collection

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Ela Aldrete

Student Worker

Fall 2024 - Spring 2025

B.S. Student

• Data collection

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Sofia Iliev

Student Worker

Fall 2024 - Spring 2025

B.S. Student

• Data collection

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Kirthana Ramesh

Student Worker

Spring 2024 - Fall 2024

M.S. Student

• Data collection
• IT Support

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Xi Zhang

Graduate Research Assistant

Summer 2021 - Spring 2025

Ph.D. Student

• Traffic Safety
• Traffic Operations

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Tze-Yu Yeh

Graduate Research Assistant

Fall 2023 - Fall 2024

M.E. Student

• Data Collection

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Peipei Xu

Visiting Scholar

Fall 2019 - Spring 2024

Research Specialist

• Traffic Data Analytics

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Sara Samadi Tabrizi

Student Worker

Spring 2024

B.S. Student

• Data collection

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Cynthia Eduwiges

Student Worker

Summer 2022 - Spring 2024

B.S. Student

• Data Collection

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Luis Estrella

Student Worker

Fall 2023 - Spring 2024

B.S. Student

• Data Collection
• Website Assistance

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Armstrong Aboah, Ph.D.

Assistant Research Professor

Aug. 2023 - Jan. 2024

• Computer Vision
• Transportation Sensing
• Big Data Analytics
• Smart Cities
• Autonomous Vehicles

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Zirui (Raymond) Huang

Graduate Research Assistant

Fall 2020 - Summer 2023

Ph.D. Student

• Traffic Simulation
• Proactive Traffic Demand Management

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Andrew Pham Tung Tran

Lab Trainee

Spring 2023

B.S. Student

• Data Collection

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William Reuter

Lab Trainee

Fall 2022 - Spring 2023

B.S. Student

• Data Collection

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Abolfazl Karimpour, Ph.D.

Assistant Research Professor

Aug. 2021 - Aug. 2022

Center Manager

• Traffic Safety
• Traffic Operation

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Dylan Molina

Lab Trainee

Summer 2021 - Summer 2022

B.S. Student

• Research website development

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Taylor Davis

Undergraduate Research Assistant

Fall 2021 - Spring 2022

B.S. Student

• Data Collection
• Website Administrator
• Project Marketing Support

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Kathy (Chia-Yu) Chen

Post-doctoral Researcher

June 2021 - March 2022

Post-doctoral Researcher

• Sustainable Transportation
• Data Analytics

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Muhammad Mohd-Rizal

Lab Trainee & Teacher Assistant

Summer 2021 - Fall 2021

B.S. Student

• Traffic Data Collection

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Alex Pulido

Lab Trainee & Teacher Assistant

Fall 2019 - Spring 2021

B.S. Student

• Traffic data collection

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Mohammad Shaon, Ph.D.

Research Specialist

Aug. 2019 - Oct. 2020

Post-doctoral Researcher

• Traffic Safety
Data Analysis
• Traffic Operations

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Xiaoling Lou, Ph.D.

Visiting Scholar

Sep. 2018 - Mar. 2020

Ph.D. Student - Southwest Jiaotong University, China

• Hybrid-Data Approach for Estimating Trip Purposes
• Ramp Queue Length Estimation

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Eric Huettner

Undergraduate Research Assistant

Spring 2019 - Fall 2019

B.S. Student

• CE 363 Online Course Develpment
• Advanced Traffic Management Systems Evaluation

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Kossigan Djidjonya

Lab Trainee

Fall 2019

B.S. Student

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Amin Ariannezhad, Ph.D.

Graduate Research Assistant

Fall 2014 - Fall 2019

Ph.D. Student

• Dissertation: Data-Driven Safety Approaches for Transportation Operations and Planning

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Robert Kluger, Ph.D.

Postdoctoral Researcher

Fall 2016 - Spring 2018

Post-doctoral Researcher

• Traffic Safety
• Performance Measurement

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Matthew Munden, M.E.

Graduate Research Assistant

Fall 2017 - Spring 2018

M.E. Student

• Video Sensor Data Analysis
• Data Collection Coordination

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Dingxin Wu, Ph.D

Visiting Scholar

Aug. 2017 - Feb. 2018

Ph.D. Student - Southeast University, China

• Public Transit

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Ke Meng

Visiting Scholar

Summer 2017 - Fall 2017

M.S. Student - Wuhan Institute of Technology, China

• Computer Vision

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Jishun Ou, Ph.D.

Visiting Scholar

Fall 2016 - Fall 2017

Ph.D. Student - Southeast University, China

• Big Freeway Data
• Big Traffic Data

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Jue Zhang, M.E.

Graduate Research Assistant

Spring 2016 - Spring 2017

M.E. Student (Electrical and Computer Engineering)

• Bluetooth travel time software development

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Shu Yang, Ph.D.

Post-doctoral Researcher

Jan. 2017 - Aug. 2017

Post-doctoral Researcher

• Dissertation: Estimating Freeway Travel Time Reliability for Traffic Operations and Planning
• Traffic Operation Planning

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Chengchuan An

Visiting Scholar

Fall 2014 - Spring 2016

Ph.D. Student - Southeast University, China

• ITS and Traffic Signal Systems Research

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Chanlin Wong

Undergraduate RA & TA

Spring 2016 - Fall 2016

B.S. Student

• New Traffic Data Collection Methods

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Mohammed Al-Turkait

Visiting Student

Fall 2016

B.S. Student

• Bluetooth Data Collection
• Traffic Signal Project Support

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Ming Chen

Graduate Research Assistant

Fall 2014 - Spring 2016

Ph.D. Student

• Bluetooth Research
• Discontinued Spring 2016

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Romulo Federizzi Moraes

Visiting Scholar

Summer 2015

B.S. Student - Federal University of Triangulo Mineiro, Minas Gerais, Brazil

• Traffic Engineering Training

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Anthony Huynh Giang

Undergraduate Research Assistant)

Summer 2014 - Fall 2014

B.S. Student

• Transportation web system development research

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Ryan Brown

Undergraduate RA & TA

Fall 2013 - Spring 2014

Fall 2013 - Spring 2014

• Website administration
• Lab Design and Construction
• Bluetooth traffic detection project research

520-621-6570

1209 E 2nd Street 

Civil Engineering Room 346 

Tucson AZ, 85719

©2018 by Yao-Jan Wu. All Rights Reserved.

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