Current Projects Development of Integrated Traffic Data Dashboard for Peoria PI: Yao-Jan Wu, Ph.D., P.ECo-PI: Bharat Pathivada, Ph.D.Sponsor: City of PeoriaFeb. 2026 - Dec. 2026 Read More Traffic Engineering Tech Support for the City of Yuma (Phase 3) PI: Bharat Pathivada, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E., Ali Shamshiripour, Ph.D.Sponsor: City of YumaJuly 2025 - June 2026 Read More Safety Evaluations of Roundabout in the City of Phoenix PI: Bharat Pathivada, Ph.DCo-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: City of PhoenixJan. 2026 - June 2026 Read More Technical Support For Effective Arterial Traffic Management (Phase 2) PI: Bharat Pathivada, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: Town of MaranaAug. 2025 - Aug. 2026 Read More AI-Enabled Traffic Asset Management PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: James Tsai, Ph.D. Sponsor: PCDOTJune 2024 - June 2026 Read More NCHRP 07-34: Artificial Intelligence for Transportation Systems Management and Operations Applications PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Yinhai Wang, Ph.D., P.E.; Michael Washkowiak, P.E.; Pramesh Pudasaini, Ph.D.Sponsor: NCHRPApr. 2024 - Oct. 2026 Read More Optimizing Traffic Signals Using Multi-Source Data (Phase 9) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Bharat Pathivada, Ph.D.Sponsor: City of TucsonJuly 2025 - July 2026 Read More Investigating Road User's Compliance of Yellow and Clearance Time Intervals for Signal Timing Design (Phase 3) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Tom CooperSponsor: City of PhoenixOct. 2023 - May 2026 Read More Past Projects Improving Traffic Operations Using Advanced Methods PI: Yao-Jan Wu, Ph.D., P.ECo-PI: Bharat Pathivada, Ph.D.Sponsor: City of Casa GrandeJan. 2025 - Aug. 2025 Read More Passive Detection Technology for Bikes, Pedestrians and Motorists PI: Larry Head, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: City of PhoenixAug. 2023 - Aug. 2025 Read More South32 Hermosa Project Phase 1: Asset Inventory, Gap Analysis, and Innovative Pathways PI: Bo Yang, Ph.D.Co-PI(s): Ali Shamshiripour, Ph.D., Yao-Jan Wu, Ph.D., P.E., et. al.Sponsor: South32Jan. 2025 - Aug. 2025 Read More SPR-792: State of The Practice of a Data Management Office Within DOTs PI: Mingfeng Shang, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: ADOTAug. 2024 - Sept. 2025 Read More Scalable AI-Driven Tool for Comprehensive Data Collection, Analysis, and Decision Support in Complete Streets PI: Dr. Wei Sun, Chief Executive Officer, AIWaysion INCCo-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: USDOTNov. 2024 - Apr. 2025 Read More Enhanced Analytics for Regional Traffic Count Data PI: Ali Shamshiripour, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: PAGMay 2024 - Apr. 2025 Read More Leveraging Existing Data Sources to Obtain Performance Measures for a Multi-modal Transportation System PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Ali Shamshiripour, Ph.D.Sponsor: PAGNov. 2023 - Apr. 2025 Read More Pilot Study of Connected Vehicle Applications to Enhance Incident Response and Roadway Safety PI: Yao-Jan Wu, Ph.D., P.E. Co-PI: Mingfeng Shang, Ph.D. Sponsor: City of PhoenixOct. 2023 - May 2025 Read More Traffic Engineering Tech Support for the City of Yuma (Phase 1-2) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Alyssa Ryan, Ph.D. Sponsor: City of YumaJuly 2023 - June 2025 Read More Evaluating Communication Technologies for Effective Traffic Monitoring PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Henrick Haule, Ph.D. Sponsor: City of PhoenixMay 2023 - Mar. 2025 Read More Investigating Safety Effectiveness of Red Light Running Cameras PI: Alyssa Ryan, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E Sponsor: City of PhoenixApr. 2023 - May 2024 Read More Traffic Data Analytics Platform Development for TSMO : Statewide Mobility Analytics in Real-Time (SMART) Tool Expansion PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Abolfazl Karimpour, Ph.D. & Matt Nordstrom, Ph.D.Sponsor: ADOTAug. 2022 - July 2024 Read More NCHRP 03-144: Leveraging Existing Traffic Signal Assets to Obtain Quality Traffic Counts and Enhance Transportation Monitoring Programs PI: Ioannis Tsapakis, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: NCHRPApr. 2022 - Mar. 2025 Read More Investigating Road User's Compliance of Yellow and Clearance Time Intervals for Signal Timing Design (Phases 1 - 2) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Abolfazl Karimpour, Ph.D. & Matt Nordstrom, Ph.D.Sponsor: City of PhoenixMay 2022 - Aug. 2023 Read More Automated Data Collection and Analysis for Arterial Traffic Operations (Phase 1 - 5) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Mohammad Shaon (Phase 1) & Abolfazl Karimpour (Phase 2 - 3)Sponsor: City of TucsonNov. 2019 - Aug. 2024 Read More Engineering Training for Traffic Signal Timing Optimization (Phase 2 - 3) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Henrick Haule, Ph.D. (Phase 2) & Bharat Pathivada, Ph.D. (Phase 3)Sponsor: City of PhoenixFeb. 2023 - Mar. 2026 Read More Optimizing Traffic Signals Using Multi-Source Data (Phases 1 - 8) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Xiaofeng Li, Ph.D. (Phases 5 & 6)Sponsor: City of TucsonAug. 2017 - July 2025 Read More Dynamic Traffic Assignment Modeling of Valencia Corridor PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: PCDOTSept. 2022 - Apr. 2023 Read More Comprehensive Literature Review for Traffic Signal Timing Issues/Events Related to Red-Light Running PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Abolfazl Karimpour, Ph.D.Sponsor: City of PhoenixDec. 2021 - May 2022 Read More Region-Wide Traffic Performance Evaluation and Performance Measure Development Using Multi-Source Data PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Xiaofeng Li, Ph.D. Sponsor: PAGDec. 2021 - May 2023 Read More Traffic Signal Performance Measurement: Case Study of McDowell Rd. PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Abolfazl Karimpour, Ph.D.Sponsor: City of PhoenixNov. 2021 - Jun. 2022 Read More Feasibility Assessment for Adaptive Signal Control (ASC) System PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Xiaofeng Li, Ph.D. Sponsor: Town of GilbertMar. 2021 - Oct. 2022 Read More Statistical Comparisons of Traffic Data for Traffic Signal Re-Timing PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Abolfazl Karimpour, Ph.D.Sponsor: City of PhoenixMar. 2021 - May 2022 Read More Technical Support for Metropia Data Analytics & DynasT Modeling PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Alyssa Ryan, Ph.D. (Phase 2)Spomsor: Metropia Inc.Sept. 2020 - June 2023 Read More Data-Driven Optimization for E-Scooter System Design PI: Jianqiang Cheng, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: NITCAug. 2020 - Jan. 2022 Read More Traffic Data Analytics Platform Development for TSMO – Expansion of Ramp Metering Evaluation Tool PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: ADOTMay 2018 - Aug. 2020 Read More Comparative Analysis and Integration of Region-Wide Traffic Data PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: PAGJan. 2020 - Nov. 2021 Read More Evaluation of Emerging Transportation Technologies: Case Studies in Phoenix and Chandler PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Mohammad Shaon, Ph.D. (Phase 1) & Abolfazl Karimpour, Ph.D. (Phase 2)Sponsor: MAGDec. 2019 - Dec. 2021 Read More Evaluation of Emerging Transportation Technologies: MAG Public Universities Task Force Support PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: MAGDec. 2019 - June 2022 Read More Data-Driven Mobility Strategies for Multi-Modal Transportation PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Xianfeng (Terry) Yang, Ph.D. & Sirisha Kothuri, Ph.D.Sponsor: NITCSep. 2019 - May 2021 Read More Tech Support for Transportation Network Management System PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Mohammad Shaon, Ph.D. (Phase 1) & Abolfazl Karimpour, Ph.D. (Phase 2)Sponsor: PCDOTMay 2020 - Oct. 2021 Read More Development of Low-Cost Radar-Based Sensor for Multi-Modal Traffic Monitoring PI: Siyang Cao, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: NITCSept. 2019 - Apr. 2021 Read More Data Analytics for Traffic Signal Optimization PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: PCDOTJuly 2019 - Jun. 2021 Read More Land Use and Transportation Policies for a Sustainable Future with Autonomous Vehicles: Scenario Analysis with Simulations PI: Liming Wang, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: NITCAug. 2018 - Aug. 2020 Read More Multi-Criteria Evaluation of Advanced Traffic Management Systems PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: City of PhoenixMay 2019 - Mar. 2020 Read More Engineering Training for Traffic Signal Timing Optimization PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: City of PhoenixDec. 2019 - Nov. 2020 Read More Development of a Regional Plan for Enhancing Future of Mobility and Technology PI: Ram Pendyala, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: MAGFeb. 2019 - Dec. 2019 Read More Pima County Speed Management evaluation and Strategic Development: Data-Driven Enforcement PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Dean Papajohn, Ph.D.PM: Stephen WilsonDec. 2017 - Dec. 2019 Read More Data-Driven Evaluation for ADOT Ramp Metering PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: ADOTMay 2018 - Aug. 2019 Read More Developing of Quality of Signal Timing Performance Measure Methodology for Arterial Operations PI: Zong Tian, Ph.D.Key Personnel: Yao-Jan Wu, Ph.D., P.E.Sponsor: UofNevada RenoDec. 2017 - Sept. 2019 Read More Before-and-After Traffic Study for Indirect Left Turns on Grant Rd., Tucson PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: RTA2016 - 2020 Read More Traffic Study for Indirect Left Turns on Grant Rd., Tucson - After Phase 2: Stone/Park Construction PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: RTASept. 2019 - June 2020 Read More Evaluation of Traffic Signal Communication PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: ADOTMar. 2016 - Dec 2017 Read More Visualizing Performance Measures with Multi-Source Traffic Data PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: Jiangsu ITS2015 - 2018 Read More Incorporating Freeway Performance Measures into Real-Time Crash Prediction PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: ADOTOct. 2016 - May 2018 Read More SHRP2 Implementation Assistance Program (IAP): Reliability Data and Analysis Tools PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: FHWAMar. 2016 - Dec. 2017 Read More University of Arizona Bluetooth Solution - Oracle Rd. Travel Time Data Collection PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: PAGNov. 2015 - Aug. 2017 Read More Analyzing Travel Time Data: Development of Traffic Data Quality Assurance Tool PI: Yao-Jan Wu, Ph.D., P.E.Sponsor: ADOTFeb. 2016 - Dec. 2016 Read More Metropia App Quality Assurance and Data Examination PI: Yao-Jan Wu, Ph.D., P.E. Sponsor: MetropiaSept. 2015 - Jan. 2017 Read More Multi-modal Arterial Performance Measurement Using Mult-source ITS Data PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Yi-Chang Chiu, Ph.D.Sponsor: UCCONNECTAug. 2014 - Oct. 2015 Read More The Real-Time Signal Timing and Traffic Information Project (Tucson Bluetooth Systems Deployment) PI: Yao-Jan Wu, Ph.D., P.E.Original PI: Larry Head, Ph.D.Sponsor: City of TucsonApr. 2014 - Dec. 2015 Read More Development of a Region-Wide Traffic Emission Estimation Platform for Environmental Sustainability Evaluation PI: Yao-Jan Wu, Ph.D., P.E. Oct. 2012 - Dec. 2013 Read More Freeway Travel Time Estimation Using Existing Fixed Traffic Sensors (Phase 1 & 2) PI: Yao-Jan Wu, Ph.D., P.E.Co-PI: Zhaozheng Yin, Ph.D. (Phase 2) Sept. 2012 - Dec. 2014 Read More Housing and Urban Development (HUD) Grant: Sustainable Communities Regional Planning Grant Program PI: Sarah L. Coffin, Ph.D.Co-PI: Yao-Jan Wu, Ph.D., P.E. Sep. 2012 - Sep. 2013 Read More
