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We demonstrate a workflow in which a car-mounted measurement system is used to assess the light-obstructing effect of roadside vegetation. The mobile mapping system (MMS) includes a panoramic camera system, laser scanner, inertial measurement unit, and satellite positioning system. The workflow and the measurement system were applied to a road section of Munkkiniemenranta, Helsinki, Finland, in 2015 and 2019. The relative luminance distribution on a road surface and the obstructing vegetation were measured before and after roadside vegetation pruning applying a luminance-calibrated mobile mapping system. The difference between the two measurements is presented, and the opportunities provided by the mobile 3D luminance measurement system are discussed.<\/jats:p>","DOI":"10.3390\/ijgi9070455","type":"journal-article","created":{"date-parts":[[2020,7,20]],"date-time":"2020-07-20T06:08:17Z","timestamp":1595225297000},"page":"455","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Nighttime Mobile Laser Scanning and 3D Luminance Measurement: Verifying the Outcome of Roadside Tree Pruning with Mobile Measurement of the Road Environment"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6609-372X","authenticated-orcid":false,"given":"Mikko","family":"Maksimainen","sequence":"first","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9907-0516","authenticated-orcid":false,"given":"Matti T.","family":"Vaaja","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"}]},{"given":"Matti","family":"Kurkela","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0281-9717","authenticated-orcid":false,"given":"Juho-Pekka","family":"Virtanen","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"},{"name":"Department of Remote Sensing and Photogrammetry, Finnish Geospatial Research Institute FGI, 02430 Masala, Finland"}]},{"given":"Arttu","family":"Julin","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"}]},{"given":"Kaisa","family":"Jaalama","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"}]},{"given":"Hannu","family":"Hyypp\u00e4","sequence":"additional","affiliation":[{"name":"Department of Built Environment, Aalto University, 02150 Espoo, Finland"},{"name":"Department of Remote Sensing and Photogrammetry, Finnish Geospatial Research Institute FGI, 02430 Masala, Finland"}]}],"member":"1968","published-online":{"date-parts":[[2020,7,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1108\/13639519710169180","article-title":"An analysis of the rates of accidents, injuries and fatalities under different light conditions: A Michigan emergency response study of state police pursuits","volume":"20","author":"Payne","year":"1997","journal-title":"Policing"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"29","DOI":"10.2150\/jlve.26.1_29","article-title":"Research on interrelation between illuminance at intersections and reduction in traffic accidents","volume":"26","author":"Oya","year":"2002","journal-title":"J. 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