{"id":390,"date":"2026-05-26T18:31:58","date_gmt":"2026-05-26T22:31:58","guid":{"rendered":"https:\/\/dev.www.purdue.edu\/engineering\/I2SAFE-Lab\/?page_id=390"},"modified":"2026-09-17T18:44:51","modified_gmt":"2026-09-17T22:44:51","slug":"smart-work-zone","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/smart-work-zone\/","title":{"rendered":"Smart Work Zone"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-bf881693 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/intelligent-systems\/\">Back to Intelligent Systems<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Project Overview<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"496\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-1024x496.png\" alt=\"\" class=\"wp-image-758\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-1024x496.png 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-300x145.png 300w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-768x372.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-1536x745.png 1536w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-Stages-2048x993.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"475\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-1024x475.png\" alt=\"\" class=\"wp-image-760\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-1024x475.png 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-300x139.png 300w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-768x356.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-1536x712.png 1536w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/07\/DT-System-2048x949.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/08\/SMW_promo_video_v3_1080p_caption-1-Compressed-with-FlexClip-1.mp4\"><\/video><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Rationale<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">Work zones remain one of the most hazardous environments for both roadway workers and motorists due to limited visibility, changing traffic patterns, and unpredictable driver behavior. This project develops an integrated smart work zone system that combines IoT sensing, artificial intelligence, digital twin technology, and connected vehicle communication to detect risks in real time and provide timely warnings to improve safety and situational awareness.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Impact<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Improve worker safety through real-time detection of vehicle intrusions and worker exposure to live traffic.<\/li>\n\n\n\n<li>Enhance driver awareness by delivering timely roadside, wearable, and in-vehicle warnings for hazardous work zone conditions.<\/li>\n\n\n\n<li>Support data-driven decision-making through a digital twin platform that provides real-time visualization and monitoring of work zone operations.<\/li>\n\n\n\n<li>Advance connected and automated transportation by enabling V2X communication between infrastructure, workers, and vehicles.<\/li>\n\n\n\n<li>Establish a scalable smart work zone framework that can be deployed in both stationary and mobile work zones to reduce crashes, improve operational efficiency, and support future autonomous vehicle integration.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Publication List<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline\"><strong>Conference Proceedings<\/strong><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Riaz, A., Chang, W. C., Zhu, T., Esmaeili, B., Feng, Y., Su, L., &amp; Hasanzadeh, S. (2026). \u201cAI-Driven Digital Twin for Smart Work Zone Safety: Sensing, Risk Prediction, and Adaptive Alerting\u201d. <em>The 23rd Smart and Sustainable Built Environment (SASBE) 2026 FUTURE ROADS Conference<\/em>. Cambridge, UK<\/li>\n\n\n\n<li>Chang, W. C., Weston, N., &amp; Hasanzadeh, S. (2026). \u201cAI-Driven Trajectory Prediction to Support Worker Monitoring in Work Zone Digital Twins\u201d. <em>Construction Research Congress 2026<\/em>. San Antonio, Texas.<\/li>\n\n\n\n<li>Chang, W. C., Wang, X., Zhu, T., Adetooto, J. D., Su, L.,Feng, Y., Esmaeili, B., &amp; Hasanzadeh, S. (2026). \u201cDevelopment of an Integrated Smart Work Zone for Proactive Intrusion Detection and Warning\u201d. <em>Transportation Research Board Annual Meeting<\/em>. Washington D.C.<\/li>\n\n\n\n<li>Chang, W. C., Wang, X., Zhu, T., Adetooto, J. D., Su, L.,Feng, Y., Esmaeili, B., &amp; Hasanzadeh, S. (2025). \u201cDigital Twin for Detecting Worker Violations in Road Construction Work Zones\u201d. <em>International Conference on Computing in Civil Engineering<\/em>. New Orleans, Louisiana.<\/li>\n\n\n\n<li>Ghadiri, A, Chang, W. C., &amp; Hasanzadeh, S. (2025). \u201cLeveraging Large Language Models and Deep Learning for Construction Work Zone Intrusion Risk Assessment\u201d. <em>International Conference on Computing in Civil Engineering<\/em>. New Orleans, Louisiana.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Researcher<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-683x1024.jpg\" alt=\"\" class=\"wp-image-202\" style=\"aspect-ratio:0.6670071501532175;width:73px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-1024x1536.jpg 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-1365x2048.jpg 1365w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Chang-Woei-Chyi-1-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-683x1024.jpg\" alt=\"\" class=\"wp-image-165\" style=\"aspect-ratio:0.6669712934093108;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-1024x1536.jpg 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-1365x2048.jpg 1365w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Headshot_Almass-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"468\" height=\"754\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Jionghao-Wei.png\" alt=\"\" class=\"wp-image-898\" style=\"aspect-ratio:0.642578499712221;object-fit:cover;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Jionghao-Wei.png 468w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Jionghao-Wei-186x300.png 186w\" sizes=\"auto, (max-width: 468px) 100vw, 468px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-683x1024.jpg\" alt=\"\" class=\"wp-image-208\" style=\"aspect-ratio:0.6670071501532175;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan.jpg 1020w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Woei-Chyi Chang<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Almass Riaz<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">  Jionghao Wei<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Nathan Weston<\/p>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline\"><strong>Collaborators<\/strong><\/span><\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<ul class=\"wp-block-list\">\n<li>Yiheng Feng, PhD, Lyles School of Civil and Construction Engineering, Purdue University<\/li>\n\n\n\n<li>Lu Su, PhD, Elmore Family School of Electrical and Computer Engineering, Purdue University&nbsp;<\/li>\n\n\n\n<li>Behzad Esmaeili, PhD,  Lyles School of Civil and Construction Engineering, Purdue University<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Funding Source<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT-1020x1024.png\" alt=\"\" class=\"wp-image-467\" style=\"aspect-ratio:0.995107475136349;width:79px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT-1020x1024.png 1020w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT-300x300.png 300w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT-150x150.png 150w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT-768x771.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/USDOT.png 1280w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT-1024x1024.png\" alt=\"\" class=\"wp-image-468\" style=\"width:77px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT-1024x1024.png 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT-300x300.png 300w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT-150x150.png 150w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT-768x768.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/INDOT.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Project Overview Rationale Work zones remain one of the most hazardous environments for both roadway workers and motorists due to limited visibility, changing traffic patterns, and unpredictable driver behavior. This project develops an integrated smart work zone system that combines IoT sensing, artificial intelligence, digital twin technology, and connected vehicle communication to detect risks in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-390","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":10,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/390\/revisions"}],"predecessor-version":[{"id":918,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/390\/revisions\/918"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/media?parent=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}