[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-650783-105":59,"doc-detail-650783-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","comparison-of-lidar-and-conventional-mapping-methods-for-highway-corridor-studies-final-report-october-2002","COMPARISON OF LIDAR AND CONVENTIONAL MAPPING METHODS FOR HIGHWAY CORRIDOR STUDIES - Final Report - October 2002","","Final report comparing lidar surveying and conventional mapping methods for highway corridor studies, prepared under a remote sensing transportation infrastructure consortium. It reviews supporting technologies such as total stations (EDM), real-time kinematic GPS (including differential and kinematic modes), and photogrammetry, then details lidar technology and lidar-specific error sources. The report describes state DOT location processes and evaluates accuracy using study-area data, multiple comparison approaches, and statistical testing aligned with national spatial data accuracy standards.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/comparison-of-lidar-and-conventional-mapping-methods-for-highway-corridor-studies-final-report-october-2002/650783/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/comparison-of-lidar-and-conventional-mapping-methods-for-highway-corridor-studies-final-report-october-2002/650783.png","ImageObject",300,407,{"name":92,"@type":93},"Patrick","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What surveying and mapping methods are compared in this report?","Question",{"text":112,"@type":113},"The report compares lidar with conventional mapping methods used for highway corridor studies, including EDM (total station), real-time kinematic GPS, and photogrammetry.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the report address lidar errors?",{"text":117,"@type":113},"It includes a dedicated section describing lidar errors, then discusses how lidar is applied to transportation applications in the overall study context.",{"name":119,"@type":110,"acceptedAnswer":120},"How is accuracy evaluated and compared across methods?",{"text":121,"@type":113},"Accuracy is assessed using study-area data and multiple comparison techniques (point and surface comparisons), supported by statistical testing such as RMSE against national standards for spatial data accuracy.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},650783,1793003686,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},549758146520,"https://ap-avatar.wpscdn.com/avatar/80002397d8c0411e94?_k=1775819394049821470","COMPARISON OF LIDAR AND CONVENTIONAL MAPPING METHODS FOR  \nHIGHWAY CORRIDOR STUDIES  \nSponsored by  \nNational Consortium on Remote Sensing in Transportation for Infrastructure  \nUniversity of California, Santa Barbara  \n C TRE  \nCenter for Transportation  \nResearch and Education  \nFinal Report ● October 2002  \nThe opinions, findings, and conclusions expressed in this publication are those of the authors and not necessarily those of the sponsor.  \nCTRE’s mission is to develop and implement innovative methods, materials, and technologies for improving transportation efficiency, safety, and reliability while improving the learning environment of students, faculty, and staff in transportation-related fields.  \nCOMPARISON OF LIDAR AND CONVENTIONAL MAPPING METHODS FOR HIGHWAY CORRIDOR STUDIES  \nPrincipal Investigator  \nReginald Souleyrette  \nAssociate Professor of Civil Engineering, Iowa State University Associate Director for Transportation Planning and Information Systems, Center for Transportation Research and Education  \nCo-Principal Investigator  \nShauna Hallmark  \nAssistant Professor of Civil Engineering, Iowa State University Transportation Engineer, Center for Transportation Research and Education  \nResearch Assistant  \nDavid Veneziano  \nAuthors  \nDavid Veneziano, Shauna Hallmark, and Reginald Souleyrette  \nCenter for Transportation Research and Education Iowa State University  \n2901 South Loop Drive, Suite 3100  \nAmes, Iowa 50010-8634  \nPhone: 515-294-8103  \nFax: 515-294-0467  \n[www.ctre.iastate.edu](www.ctre.iastate.edu)  \nFinal Report • October 2002  \nTable of Contents  \n1. EXECUTIVE SUMMARY ............................................................................................. 1  \n2. INTRODUCTION .......................................................................................................... 3  \n3. PROJECT OVERVIEW ................................................................................................. 4  \n3.1 Scope of Work .........................................................................................................4  \n3.2 Expected Benefits ....................................................................................................4  \n4. BACKGROUND ............................................................................................................ 5  \n4.1 EDM (Total Station) ................................................................................................5  \n4.2 Real Time Kinematic Global Positioning System ...................................................6  \n4.2.1 Differential GPS..............................................................................................6  \n4.2.2 Kinematic GPS................................................................................................6  \n4.3 Photogrammetry.......................................................................................................7  \n4.3.1 Softcopy Photogrammetry............................................................................... 7  \n4.3.2 Advantages and Disadvantages of Photogrammetry......................................7  \n4.4 LIDAR .....................................................................................................................8  \n4.4.1 Description of Technology..............................................................................8  \n4.4.2 LIDAR Errors................................................................................................10  \n4.4.3 Use of LIDAR in Transportation Applications .............................................10  \n5. STATE DOT LOCATION PROCESSES .................................................................... 14  \n5.1 Iowa Location Process ........................................................................................... 14  \n5.1.1 Receipt of Project Assignment ......................................................................14  \n5.1.2 Project Management Team ................","cbCairu57maoskaE","https://ap.wps.com/l/cbCairu57maoskaE","pdf",1707490,63,"English","# Executive Summary\n# Introduction\n# Project Overview\n## Scope of Work\n## Expected Benefits\n# Background\n## EDM (Total Station)\n## Real Time Kinematic Global Positioning System\n## Photogrammetry\n## LIDAR\n# State DOT Location Processes\n# Evaluation of Accuracy","[{\"question\":\"What surveying and mapping methods are compared in this report?\",\"answer\":\"The report compares lidar with conventional mapping methods used for highway corridor studies, including EDM (total station), real-time kinematic GPS, and photogrammetry.\"},{\"question\":\"How does the report address lidar errors?\",\"answer\":\"It includes a dedicated section describing lidar errors, then discusses how lidar is applied to transportation applications in the overall study context.\"},{\"question\":\"How is accuracy evaluated and compared across methods?\",\"answer\":\"Accuracy is assessed using study-area data and multiple comparison techniques (point and surface comparisons), supported by statistical testing such as RMSE against national standards for spatial data accuracy.\"}]","COMPARISON OF LIDAR AND CONVENTIONAL MAPPING METHODS FOR HIGHWAY CORRIDOR STUDIES - Final Report - October 2002 | PDF",1792844205,159]