{"id":18774,"date":"2021-08-06T07:18:59","date_gmt":"2021-08-06T07:18:59","guid":{"rendered":"https:\/\/www.rmsi.com\/blog\/?p=18774"},"modified":"2021-08-06T12:20:00","modified_gmt":"2021-08-06T12:20:00","slug":"enhancing-indias-high-priority-road-network-in-openstreetmap","status":"publish","type":"post","link":"https:\/\/www.rmsi.com\/blog\/2021\/08\/enhancing-indias-high-priority-road-network-in-openstreetmap\/","title":{"rendered":"Enhancing India\u2019s High Priority Road Network in OpenStreetMap"},"content":{"rendered":"<p>OpenStreetMap (OSM) is a community sourced and largest volunteered Geographic Information platform in the world. OSM is characterized by its dynamic map and the active community of the millions of mappers. These maps are available free of cost and are constantly improving each day.<\/p>\n<p><strong>Map Intelligence with OpenStreetMap (OSM):<br \/>\n<\/strong>There are various online mapping platforms that provide mapping services across the globe, and one such popular open-source platform is OSM, a free and openly editable map of the world. OSM is a web-based public platform that collects data describing the position of roads, rivers, towns, point of interests, etc. used to create maps.<\/p>\n<p><em>While working on a\u00a0national mapping project to improve road coverage in India, RMSI witnessed major road networks that needs\u00a0up\u00a0gradation and modification on OpenStreetMap (OSM).<\/em><\/p>\n<p><b>Hence, RMSI initiated work\u00a0towards enhancement and upgradation\u00a0of High Priority Road\u00a0(HPR) network in OSM data across the country (India) with the help of latest available imagery.<\/b><\/p>\n<p>At RMSI, we\u00a0are committed to addressing global issues of human habitation, security &amp; safety connected with food, calamities, use of natural resources. While assessing solutions to the above major road challenges,\u00a0our mapping experts noticed that a lot of priority roads didn\u2019t even exist on most of the maps and there is a need to create and modify the road network as per updated imageries in OSM.<\/p>\n<p><strong>We believe strongly that the solution to most problems starts with getting the right data.<\/strong><\/p>\n<p>In our previous two blogs, <span style=\"color: #008080;\"><a style=\"color: #008080;\" href=\"https:\/\/www.rmsi.com\/blog\/2020\/01\/spreading-awareness-about-mapping-on-osm-a-free-and-openly-editable-map-of-the-world\/\">Spreading Awareness About Mapping on OSM, a Free and Openly Editable Map of the World<\/a><\/span> we highlighted about a workshop conducted by RMSI on<span style=\"color: #008080;\"><a style=\"color: #008080;\" href=\"https:\/\/www.rmsi.com\/blog\/2020\/01\/spreading-awareness-about-mapping-on-osm-a-free-and-openly-editable-map-of-the-world\/\"> OSM (OpenStreetMap)<\/a><\/span>awareness and <span style=\"color: #008080;\"><a style=\"color: #008080;\" href=\"https:\/\/www.rmsi.com\/blog\/2021\/03\/enhancing-indias-health-facility-database-in-openstreetmap\/\">Enhancing India\u2019s Health Facility Database in OpenStreetMap<\/a>.<\/span> <em>Our latest blog focuses on RMSI\u2019s expertise and knowledge implementation of the existing High Priority Road (HPR) Network in India.<\/em><\/p>\n<p><strong>High Priority Roads (HPR) in OSM<\/strong><\/p>\n<p>Any road, route, way, or thoroughfare on land connecting one location to another, paved or otherwise, improved to allow travel by some conveyance is a highway in OSM.\u00a0Having<em>\u00a0based on the real-time features, these highways are classified under different categories, considering their importance in road navigation.<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-18779 alignleft\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85A.jpg\" alt=\"\" width=\"240\" height=\"157\" \/><\/p>\n<p><strong>High Priority Roads<\/strong><\/p>\n<p>High Priority Roads (HPR) are the highest tier of road classification which establishes connectivity from one city to another city or a state to another, accessed by majority of people and thus, form a logical road network connectivity across the country.<\/p>\n<p><strong>India has the second-largest road network in the world at about 62.16 lakh km. The National Highways and Expressways measure 1,36,440 km and State Highways measure 1,76,818 km and other roads measure 59,02,539 km as of FY 2020-21.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18780\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85B.jpg\" alt=\"\" width=\"489\" height=\"215\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85B.jpg 930w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85B-300x132.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85B-768x339.jpg 768w\" sizes=\"auto, (max-width: 489px) 100vw, 489px\" \/><\/p>\n<p>Indian High Priority Roads are categorized into four different types, such as:<\/p>\n<ul>\n<li>National Express Ways<\/li>\n<li>National Highways<\/li>\n<li>State Highways<\/li>\n<li>MDR Highways<strong>\u00a0<\/strong><\/li>\n<\/ul>\n<p><strong>What are the major challenges in existing High Priority Road (HPR) Network in India?<\/strong><\/p>\n<ul>\n<li>Inconsistency in reference and relations on HPRs\u00a0which needs constant upgradation and route correction<\/li>\n<li>Essential roads within the country, such as, National Highways and State Highways need to be upgraded as per the recent ground truth to form a consistent road network<\/li>\n<\/ul>\n<p>To resolve the key challenges in the existing HPR data, RMSI is working on enhancement of High Priority Roads (HPR) across the nation. We evaluate HPRs such as National Highways and State Highways, from connectivity point to view\u00a0after tracing tasks for a specific area or location.<\/p>\n<p><strong>Key Benefits of HPR&#8217;s<\/strong><\/p>\n<p>Majority of traffic flow is on high priority roads (HPR) due to trade, inter transportation, etc. Therefore, the significance of OSM data in routing applications is growing significantly past few years, due to freely available and real-time data updates.<\/p>\n<p>If a road is not physically connected within the road network data, it impacts the correct routing for the passenger. Hence, by improving the\u00a0HPR&#8217;s, RMSI is providing effective maps to the users and ease the navigation process.<\/p>\n<p><strong>Importance of Route Consistency in Building HPR Network Data<\/strong><strong>\u00a0<\/strong><\/p>\n<p>A route or a variant belongs to a master road including directions, variant routes and additional information on that route.\u00a0In OSM, with the help of particular route types we\u00a0 enhance\u00a0the navigation accuracy.<\/p>\n<p><strong>Route consistency will impact on:<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18781\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85C.jpg\" alt=\"\" width=\"453\" height=\"259\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85C.jpg 896w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85C-300x171.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85C-768x438.jpg 768w\" sizes=\"auto, (max-width: 453px) 100vw, 453px\" \/><\/p>\n<p><strong>How RMSI is Enhancing High Priority Road (HPR) Network on OSM in India?<\/strong><\/p>\n<ul>\n<li>RMSI has enhanced the High Priority Road data in 13 states with 82 cities and towns of India as part of Artificial Intelligence (AI) Road Tracing Project. We have also identified and modified around 54,194 kms of High Priority Road (Tertiary, Secondary, Primary, Trunk and Motorway) classifications<\/li>\n<\/ul>\n<ul>\n<li>We\u00a0identify\u00a0HPRs such as National Highways and State Highways, from connectivity point to view mostly focusing on classification of secondary and tertiary roads\u00a0that needs to be upgraded into dual carriageways<\/li>\n<\/ul>\n<p><strong>High Priority Road (HPR) Workflow<\/strong><\/p>\n<p>RMSI improved the workflow of HPR Network with various resources in reference with the latest and updated imagery. Secondary resources such as Mapillary and Probes\u00a0were used as the primary tool for editing the HPR&#8217;s. We also\u00a0used Aerial Imagery, Public GPX &amp; GPS traces, OSM Country wiki, and Country Reference Values.<\/p>\n<p><strong>RMSI\u2019s Solution for HPR Enhancement<\/strong><strong>\u00a0<\/strong><\/p>\n<p><strong>1. Roundabout Up gradation:<\/strong> In India\u2019s OSM data, majority of roundabouts\u2019 information needs to be upgraded according to the latest imagery data.<\/p>\n<p>RMSI worked on upgrading the latest roundabout\u00a0data which was missing in the existing HPR network that helps in achieving\u00a0consistency of the\u00a0route data.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18801 alignnone\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85DE.jpg\" alt=\"\" width=\"650\" height=\"179\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85DE.jpg 1477w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85DE-300x82.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85DE-768x211.jpg 768w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85DE-1024x281.jpg 1024w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18783\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85E.jpg\" alt=\"\" width=\"441\" height=\"216\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85E.jpg 663w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85E-300x147.jpg 300w\" sizes=\"auto, (max-width: 441px) 100vw, 441px\" \/><\/p>\n<p><strong>2. Data Contributions:<\/strong> RMSI contributed around 29% of new roundabouts across the country in addition to the existing roundabout modifications.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18784\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85F.jpg\" alt=\"\" width=\"443\" height=\"235\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85F.jpg 677w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85F-300x159.jpg 300w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p><strong>3. Geometry Enhancements in Bridges\/Culverts Data:<\/strong><\/p>\n<p>In the image below,\u00a0where existing HPR roads are not updated as per the latest image, we upgraded the junction and added missing dual carriage ways.<strong>\u00a0<\/strong><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18786\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85H.jpg\" alt=\"\" width=\"461\" height=\"169\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85H.jpg 1268w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85H-300x110.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85H-768x282.jpg 768w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85H-1024x376.jpg 1024w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/strong><\/p>\n<p><strong>Various geometry edits that were done as part of the process: <\/strong><\/p>\n<ul>\n<li>Linear Geometry Modifications<\/li>\n<li>Dual Carriage Road Upgradation<\/li>\n<li>Assigning Direction Restrictions<\/li>\n<li>Upgradation of Road Junctions as per Ground Truth.<\/li>\n<li>Establishing Missing Road Connections<\/li>\n<\/ul>\n<p><strong>4. Existing Data Corrections<\/strong><strong>: <\/strong>There\u00a0were\u00a0additional roads that were present in the existing data\u00a0but not built physically\u00a0on grounds.\u00a0RMSI worked towards updation of the accurate\u00a0road data as per the\u00a0latest resource imagery.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18787\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85I.jpg\" alt=\"\" width=\"350\" height=\"195\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85I.jpg 685w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85I-300x167.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<p><strong>5. Classification Data Enhancements<img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-18788\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85J.jpg\" alt=\"\" width=\"350\" height=\"146\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85J.jpg 1274w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85J-300x125.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85J-768x319.jpg 768w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85J-1024x426.jpg 1024w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/> <\/strong><\/p>\n<p>RMSI reclassified the road network as\u00a0per OSM classification tagging guidelines and rectified the incorrect\u00a0existing road classification of National Highway by identifying the classification gaps and inconsistency in the data.<\/p>\n<p><strong>6. Classification Inconsistency<\/strong><\/p>\n<p>In the existing HPR data, classification hierarchy\u00a0is\u00a0followed while modeling the data, therefore, we\u00a0upgraded the road classification as per the OSM guidelines.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18789\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85K.jpg\" alt=\"\" width=\"350\" height=\"155\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85K.jpg 1155w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85K-300x133.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85K-768x340.jpg 768w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85K-1024x454.jpg 1024w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<p><strong>7.\u00a0Additional Enhancements and Support<\/strong><\/p>\n<p>Addition to\u00a0the necessary\u00a0geometry improvements and classification changes, RMSI improved features for consistent road navigation with the following below:<\/p>\n<ul>\n<li>Modifying Ref &amp; Relation inconsistencies<\/li>\n<li>Modifying the relations while editing complex junctions or highways which have existing relations corrections<\/li>\n<li>Adding missing ref tags to the newly added highways with support evidence<\/li>\n<\/ul>\n<p><strong>Use Case of Reference &amp; Relation Enhancements<\/strong><\/p>\n<p><strong>Example: <\/strong>RMSI identified\u00a0many\u00a0missing Road Network features in Hyderabad ORR existing relation, and\u00a0added\u00a0missing objects\u00a0to the existing relation.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18790\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85L.jpg\" alt=\"\" width=\"450\" height=\"226\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85L.jpg 1040w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85L-300x151.jpg 300w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85L-768x386.jpg 768w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85L-1024x515.jpg 1024w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p><strong>RMSI\u2019s Role in Data Maintenance and Upgradation<\/strong><strong>\u00a0<\/strong><\/p>\n<p>Since OSM is an opensource platform, there are chances of unintentional data vandalism by any new users, hence, there is a need to monitor the data and make the necessary changes when required. <strong>RMSI frequently use various tools to monitor the data and make the necessary corrections.<\/strong><\/p>\n<p>Utilizing error detecting tools, we examine the OSM High priority Road data for potential errors, inaccuracy or sparsely mapped places. We ignore false positive cases to maintain the real time data as per ground truth.<\/p>\n<p>Since consistency plays a major role in terms of HPR Network, we check for data vandalism and ensure data is consistent and updated in terms of geometry connectivity along with ref and relations. Apart from these we\u00a0look\u00a0for construction status of the road networks. Also, in cases where the construction is completed, we remove the existing construction attributes and open the road for access.<\/p>\n<ul>\n<li>Validation Checks<\/li>\n<li>Suspicious Tags<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18791\" src=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85M.jpg\" alt=\"\" width=\"450\" height=\"336\" srcset=\"https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85M.jpg 657w, https:\/\/www.rmsi.com\/blog\/wp-content\/uploads\/2021\/08\/85M-300x224.jpg 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p><strong>Acknowledgment\u00a0<\/strong><\/p>\n<p><a href=\"https:\/\/wiki.openstreetmap.org\/wiki\/RMSI\">RMSI<\/a> is currently working to support expanded Information Management capacity within India. We aim to provide accessible data of accurate Road Network Information useful for those using OpenStreetMap.<\/p>\n<p><strong>RMSI\u2019s goal is to collaborate with the OpenStreetMap community to create quality high priority road data, validated by trained mappers and local OSM communities in India.<\/strong><\/p>\n<p>Hurdles on routes can lead to unnecessary delays and losses, therefore, our team constantly works to improve &amp; create an accurate route network across the country. Core to the above goal, is also ensuring that High Priority Road data is easily accessible to everyone using OpenStreetMap (OSM).<\/p>\n<p>If you are interested in our progress, please keep watching the periodical updates on our import wiki. If you are interested in improving the high priority road network, please contact us at\u00a0<span style=\"color: #008080;\"><a style=\"color: #008080;\" href=\"mailto:osm@rmsi.com\">osm@rmsi.com<\/a><\/span>\u00a0so that\u00a0we can share\u00a0maproulette for your region.<\/p>\n<p>Happy Mapping!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenStreetMap (OSM) is a community sourced and largest volunteered Geographic Information platform in the world. OSM is characterized by its dynamic map and the active community of the millions of mappers. These maps are available free of cost and are constantly improving each day. Map Intelligence with OpenStreetMap (OSM): There [&hellip;]<\/p>\n","protected":false},"author":38405,"featured_media":18776,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-management"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/posts\/18774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/users\/38405"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/comments?post=18774"}],"version-history":[{"count":16,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/posts\/18774\/revisions"}],"predecessor-version":[{"id":18804,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/posts\/18774\/revisions\/18804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/media\/18776"}],"wp:attachment":[{"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/media?parent=18774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/categories?post=18774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rmsi.com\/blog\/wp-json\/wp\/v2\/tags?post=18774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}