{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:28:05Z","timestamp":1760059685711,"version":"build-2065373602"},"reference-count":22,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2025,6,30]],"date-time":"2025-06-30T00:00:00Z","timestamp":1751241600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Research Ireland","award":["18\/SP\/5942"],"award-info":[{"award-number":["18\/SP\/5942"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Information"],"abstract":"<jats:p>Roadside communication networks with Cooperative Intelligent Transport Systems (C-ITSs) offer services that aim to enhance traffic management and road safety.This paper presents a comprehensive scalability study of C-ITSs to support a deployment of Day 1 advisory services on the busiest Irish motorway. Specifically, the performance of the two standardized C-ITS short-range communication technologies, namely ITS-G5 and C-V2X, are quantified. Both technologies are evaluated while considering different market penetration rates (MPRs), real-world vehicle densities during daily time periods, and data traffic demands linked to real world C-ITS services. The simulation results show that ITS-G5 performs slightly better at shorter distances, and C-V2X performs marginally better at medium and longer distances, benefiting from technology that supports better signal quality and communication robustness.<\/jats:p>","DOI":"10.3390\/info16070563","type":"journal-article","created":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T04:04:22Z","timestamp":1751342662000},"page":"563","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["On the Capacity of V2X Communication Networks to Support the Delivery of Emerging C-ITS Services: A Case Study on an Irish Motorway"],"prefix":"10.3390","volume":"16","author":[{"given":"Arif","family":"Hossan","sequence":"first","affiliation":[{"name":"School of Computer Science & IT, University College Cork, T12 XF62 Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Md","family":"Noor-a-Rahim","sequence":"additional","affiliation":[{"name":"School of Computer Science & IT, University College Cork, T12 XF62 Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0767-7888","authenticated-orcid":false,"given":"Cormac J.","family":"Sreenan","sequence":"additional","affiliation":[{"name":"School of Computer Science & IT, University College Cork, T12 XF62 Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Piraba","family":"Navaratnam","sequence":"additional","affiliation":[{"name":"AECOM Ltd., Bristol BS1 6GD, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shobanraj","family":"Navaratnarajah","sequence":"additional","affiliation":[{"name":"AECOM Ltd., Bristol BS1 6GD, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Allen","sequence":"additional","affiliation":[{"name":"AECOM Ltd., Bristol BS1 6GD, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Laoide-Kemp","sequence":"additional","affiliation":[{"name":"Transport Infrastructure Ireland, D08 DK10 Dublin, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8197-0911","authenticated-orcid":false,"given":"Aisling","family":"O\u2019Driscoll","sequence":"additional","affiliation":[{"name":"School of Computer Science & IT, University College Cork, T12 XF62 Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,6,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"9359","DOI":"10.1109\/TVT.2019.2936799","article-title":"Broadcast performance analysis and improvements of the LTE-V2V autonomous mode at road intersection","volume":"68","author":"Ali","year":"2019","journal-title":"IEEE Trans. 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