{"id":3286,"date":"2021-06-30T08:59:41","date_gmt":"2021-06-30T08:59:41","guid":{"rendered":"https:\/\/www.commsignia.com\/?p=3286"},"modified":"2023-03-14T15:00:19","modified_gmt":"2023-03-14T15:00:19","slug":"how-to-protect-pedestrians-at-an-intersection","status":"publish","type":"post","link":"https:\/\/www.commsignia.com\/blog\/how-to-protect-pedestrians-at-an-intersection\/","title":{"rendered":"How to protect pedestrians at an intersection"},"content":{"rendered":"\n
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Pedestrians are the most vulnerable road users and thousands of fatal crashes occur every year. People are particularly vulnerable at intersections, which is the most complex part of the road network – here all means of transport can meet. Pedestrians change their trajectory and speed very easily, so it is worth building protection in the most dangerous intersections that can track their movements very accurately.<\/p>\n\n\n\n

In our LinkedIn game<\/a> a couple of weeks ago, we presented four solutions and asked the question:<\/p>\n\n\n\n

How would you warn drivers to avoid a possible collision?<\/h3>\n\n\n\n

One answer we suggested was the use of infrared sensors. It’s a bit old-fashioned, but it still works. When a pedestrian passes through the infrared gate, warning lights turn on. Unfortunately, the installation requires serious preparation, the road may need to be drilled to accommodate the lights, and the pedestrian may bypass the infrared gate.<\/p>\n\n\n\n

It’s easier to place cameras and V2X roadside units (RSUs) on a lamppost. We already use cameras in many places, specifically for traffic control purposes. Commsignia roadside units are good accessories for them, as RSUs can get information from cameras about pedestrian movement. Recognition is reliable, and it’s harder to avoid.<\/p>\n\n\n\n

Closely related to this topic is the possibility of using radio anchors that help to measure the position of nearby pedestrians. We use ultra-wideband technology, (UWB) to track people at intersections. Pedestrians only need a UWB tag or UWB-supported device, like certain mobile phones or smartwatches. The UWB gateway responsible for the positioning, like cameras, sends data to an RSU, which then sends V2X alerts to vehicles in the area.<\/p>\n\n\n\n

These developments are particularly exciting since these are the same sensors and cameras used in cars. The only difference is we install them along the roads. With this technology we can increase safety for all road users, even those not equipped with their own sensors.<\/p>\n\n\n\n

We’ve successfully tested both camera and UWB based recognition at intersections in the Secredas project, a huge collaboration between 70 European industrial partners to improve road safety and cybersecurity related technologies. <\/p>\n\n\n\n

How about using location data coming from pedestrians’ mobile phones?<\/h3>\n\n\n\n

Well, that’s a tough question. Anyone can easily turn off location services manually on a mobile phone. Users might want, for example, to reduce the power consumption of their device. The same is true for the internet data connection. We have to take these into account when designing road safety systems based on mobile phones.<\/p>\n\n\n\n

There are also tasks to be solved on the network side. A much denser installation is needed to be able to tell your pedestrian position extremely accurately – it only depends on 10 centimeters whether someone is on a sidewalk that shouldn\u2019t trigger unnecessary warnings in cars or is already on the road where a warning can save lives.<\/p>\n\n\n\n

You can learn more about our VRU protection solutions by clicking here.<\/a><\/p>\n<\/div>\n\n\n\n

<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Pedestrians are the most vulnerable road users and thousands of fatal crashes occur every year. People are particularly vulnerable at intersections, which is the most complex part of the road network – here all means of transport can meet. Pedestrians change their trajectory and speed very easily, so it is worth building protection in the […]<\/p>\n","protected":false},"author":4,"featured_media":3295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[67,68,13,66],"class_list":["post-3286","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-pedestrian","tag-uwb","tag-v2x","tag-vru"],"acf":[],"yoast_head":"\nHow to protect pedestrians at an intersection » Commsignia<\/title>\n<meta name=\"description\" content=\"Pedestrians are the most vulnerable road users, with thousands of fatal crashes every year. 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