{"id":1302,"date":"2011-06-30T00:00:09","date_gmt":"2011-06-30T00:00:09","guid":{"rendered":"https:\/\/nau.edu\/cecmee\/?p=1302"},"modified":"2023-11-29T11:26:17","modified_gmt":"2023-11-29T18:26:17","slug":"impact-of-instant-feedback-of-fines-on-speeding","status":"publish","type":"post","link":"https:\/\/in.nau.edu\/aztrans\/impact-of-instant-feedback-of-fines-on-speeding\/","title":{"rendered":"Reduction of Speed in Work Zones using ITS DMS Instant Feedback to Driver: Vehicle Speed versus Traffic Fine"},"content":{"rendered":"<p><strong>Sponsor: Arizona Department of Transportation (ADOT)<\/strong><\/p>\n<p><strong>PI: Craig Roberts (Smaglik Co-PI)<\/strong><\/p>\n<p>Project Start|End Date: 2010 | 2011<\/p>\n<p>Research was conducted using a changeable message sign with radar (CMSR) at one work zone location on a four-lane, divided highway in Arizona.\u00a0 The CMSR provided feedback to drivers about the amount of their potential traffic fine, which was triggered by the radar captured speed as their vehicles approached the CMSR.\u00a0 This type of feedback has had only limited study according to the authors\u2019 literature search.\u00a0 The CMSR alternated a speed feedback message (YOUR SPEED XX MPH) with the message \u201cPOSSIBLE FINE $XXX,\u201d wherein the dollar amount varied depending on the speed of the vehicle.\u00a0 As the vehicle slowed (or accelerated) the sign message changed to reflect their new speed and any resulting change in the amount of fine.<\/p>\n<p>The findings indicate that coupling the speeding fine feedback with alternating vehicle speed provided an important observed performance in reducing speeds in the tested work zone.\u00a0 Reductions in mean speeds were modest, approximately 4 mph. \u00a0However, the impact on excessive speeders was significant.\u00a0 The number of speeders traveling at or greater than 5 and 10 mph above the speed limit, were both reduced by one fourth.\u00a0 At the extreme speeds of 15, 20, and 25 mph over the speed limit, the number of speeding vehicles was reduced in each case by half.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sponsor: Arizona Department of Transportation (ADOT) PI: Craig Roberts (Smaglik Co-PI) Project Start|End Date: 2010 | 2011 Research was conducted using a changeable message sign with radar (CMSR) at one work zone location on a four-lane, divided highway in Arizona.\u00a0 The CMSR provided feedback to drivers about the amount of their potential traffic fine, which [&hellip;]<\/p>\n","protected":false},"author":474,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[5,12,35],"tags":[29,14,10],"class_list":["post-1302","post","type-post","status-publish","format-standard","hentry","category-az_trans","category-past-research","category-research","tag-adot","tag-craig-roberts","tag-edward-smaglik"],"_links":{"self":[{"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/posts\/1302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/users\/474"}],"replies":[{"embeddable":true,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/comments?post=1302"}],"version-history":[{"count":3,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/posts\/1302\/revisions"}],"predecessor-version":[{"id":1896,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/posts\/1302\/revisions\/1896"}],"wp:attachment":[{"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/media?parent=1302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/categories?post=1302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/in.nau.edu\/aztrans\/wp-json\/wp\/v2\/tags?post=1302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}