{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T09:05:21Z","timestamp":1778663121379,"version":"3.51.4"},"reference-count":56,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2017,12,5]],"date-time":"2017-12-05T00:00:00Z","timestamp":1512432000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Intelligenza Artificiale: The international journal of the AIxIA"],"published-print":{"date-parts":[[2017,12,5]]},"abstract":"<jats:p>This paper presents a model to simulate non-signalized pedestrian crosswalks. Principal scope is to develop a tool to be used by decision-makers to evaluate the necessity of introducing a new crosswalk and\/or switching to a traffic light and estimate the potential benefits of such a measure in terms of Level of Service. The model is based on empirical evidence gained during an observation of a non-signalized crosswalk. Pedestrian motion is simulated using a Cellular Automata model which is capable to simulate pedestrian dynamics at low density conditions, as observed in the considered scenario. Vehicles use a continuous car following model inspired on Gipps equations in which driver\u2019s reaction time is considered. Pedestrian\u2019s decision-making process on crossing attempt and model parameters are directly obtained from the analysis of pedestrian-vehicle interactions observed in reality. The model developed employs small time steps, thus allowing the consideration of different pedestrian speeds (intrinsically considering pedestrians with reduced mobility, such as elderlies) and smoothly reproducing car-pedestrian interactions. This aspect required the definition of distinct behavioral rules for vehicles and pedestrians that, in their dynamic interaction, implement an ad-hoc coordination model. In order to validate the model, delays (or waiting times) measured for both pedestrians and drivers were compared with simulated values. Results show a good agreement between empirically obtained time delay and values computed in the simulation.<\/jats:p>","DOI":"10.3233\/ia-170110","type":"journal-article","created":{"date-parts":[[2017,12,5]],"date-time":"2017-12-05T10:10:55Z","timestamp":1512468655000},"page":"117-138","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":32,"title":["A simulation model for non-signalized pedestrian crosswalks based on evidence from on field observation"],"prefix":"10.1177","volume":"11","author":[{"given":"Claudio","family":"Feliciani","sequence":"first","affiliation":[{"name":"Department of Advanced Interdisciplinary Studies, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luca","family":"Crociani","sequence":"additional","affiliation":[{"name":"Complex Systems and Artificial Intelligence Research Centre, University of Milano-Bicocca, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Gorrini","sequence":"additional","affiliation":[{"name":"Complex Systems and Artificial Intelligence Research Centre, University of Milano-Bicocca, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Giuseppe","family":"Vizzari","sequence":"additional","affiliation":[{"name":"Complex Systems and Artificial Intelligence Research Centre, University of Milano-Bicocca, Milan, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefania","family":"Bandini","sequence":"additional","affiliation":[{"name":"Complex Systems and Artificial Intelligence Research Centre, University of Milano-Bicocca, Milan, Italy"},{"name":"Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuhiro","family":"Nishinari","sequence":"additional","affiliation":[{"name":"Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan"},{"name":"Department of Aeronautics and Astronautics, Graduate School of Engineering, The University of Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2017,12,5]]},"reference":[{"key":"ref001","doi-asserted-by":"publisher","DOI":"10.1016\/S0001-4575(01)00015-X"},{"key":"ref002","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-25010-6_25"},{"key":"ref003","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afs076"},{"key":"ref004","doi-asserted-by":"publisher","DOI":"10.3141\/1678-15"},{"key":"ref005","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-18374-9_2"},{"key":"ref006","first-page":"250","volume-title":"International Workshop on Agent Theories, Architectures, and Languages","author":"Ciancarini P.","year":"1999"},{"key":"ref007","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-11520-7_71"},{"key":"ref008","doi-asserted-by":"publisher","DOI":"10.1016\/j.trb.2015.12.017"},{"key":"ref009","unstructured":"Department for Transport.\n                      Road Casualties Great Britain: 2006 - 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