[{"data":1,"prerenderedAt":520},["ShallowReactive",2],{"project-25494988":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":45,"post_text":48,"what":49,"said":87,"maker_in_thread":163,"shape":172,"grid":177,"attempts":483,"same_week":484,"maker_shows":37,"maker_hidden":513,"reader_version":514,"card":515},"25494988","brightpath","Find the safest well lit walking route between two locations","title","Show HN: Find the safest well lit walking route between two locations","https:\u002F\u002Fgithub.com\u002Fmfbx9da4\u002Fbrightpath-backend#mission","github.com","mfbx9da4",1608559334,2020,222,110,230,3028,8,"notable","consumer_social","walking route planner","web_app",[24,25,26,27],"safe walking route","well lit route","pedestrian navigation","openstreetmap routing","curious",0.05,{"positive":31,"neutral":32,"mixed":33,"critical":18},10,34,2,54,{"idea":36,"docs":39,"design":41,"execution":43,"privacy":44},{"positive":37,"critical":38},5,6,{"positive":40,"critical":40},0,{"positive":42,"critical":40},1,{"positive":42,"critical":42},{"positive":40,"critical":42},[40,46,47,40,40,46,37,46,40,40,37,40,40,46,46,46,46,46,47,42,42,33,47,42,46,37,40,37,40,46,46,42,40,40,40,46,46,46,46,40],3,4,null,{"problem":50,"audience":48,"pricing":48,"motivation":62,"time_to_build":48,"stack":69,"openness":84,"stage":85,"team_size":86},{"value":51,"source":52,"evidence":53},"Walking directions can lead people down dark or unsafe streets at night","commenter",[54,58],{"id":55,"by":56,"text":57},"25496087","confidantlake","That is a great idea! Often I find walking directions put me on busy, unsafe streets, or make me take unsafe crossings. Didn't even think about the well lit part, but that is…",{"id":59,"by":60,"text":61},"25497516","uoaei","This gives me the same strong negative impression as the Citizen and Nextdoor apps. The idea makes sense in some abstract theoretical way, but in practice this will simply…",{"value":63,"source":52,"evidence":64},"Built as a hackathon project at hack.travel",[65],{"id":66,"by":67,"text":68},"25498409","underyx","Heya, congrats on getting on the HN front page! I'm Bence, one of the judges from hack.travel, where I believe this project originated. (Note for bystanders: the project got…",[70,77],{"value":71,"source":72,"evidence":73},"OpenStreetMap data","maker",[74],{"id":75,"by":11,"text":76},"25495777","Correct the primary data source was open street map.",{"value":78,"source":52,"evidence":79},"Mapbox",[80],{"id":81,"by":82,"text":83},"25496020","ilovefood","Very good job with this. I am working on a similar project and I was wondering if you are planning on hosting your own OSM tiles or using a service (Mapbox is listed, but are you…","open_source","prototype","unknown",{"praise":88,"objections":97,"requests":116,"questions":132,"alternatives":144},[89],{"value":90,"source":52,"evidence":91},"Useful idea for avoiding unsafe walking routes",[92,93],{"id":55,"by":56,"text":57},{"id":94,"by":95,"text":96},"25496322","AdmiralGinge","This could really be a game-changer for me when we're allowed to travel again. I have a rare condition where a problem with brain metabolism screws up the signal to noise ratio…",[98,105,109],{"value":99,"source":52,"evidence":100},"Being well lit does not necessarily mean safer",[101],{"id":102,"by":103,"text":104},"25499805","cbdumas","This is cool, however there is an implicit assertion here that better lit = safer. As far as I can tell this is questionable at best, a decent roundup of studies can be found…",{"value":106,"source":52,"evidence":107},"Risk of reflecting biases against poorer neighborhoods",[108],{"id":59,"by":60,"text":61},{"value":110,"source":52,"evidence":111},"Filtering dark paths may remove reasonable routes with tradeoffs",[112],{"id":113,"by":114,"text":115},"25499743","gradstudent","From the description of the backend: > Clean geojson to remove dark pathways. Doesn't this eliminate routes with tradeoffs? e.g., cutting through a small park or alleyway may not…",[117],{"value":118,"source":52,"evidence":119},"Use crowd presence and street crime data, not just lighting",[120,124,128],{"id":121,"by":122,"text":123},"25496048","ape4","A route where there are other people is more important than well lit. Eg a busy shopping street vs a well-lit back street.",{"id":125,"by":126,"text":127},"25501812","neilv","Out of several thousand hours (close to 10K?) of late-night walking in urban areas (such as from working into the wee hours, then walking home all the way across town), I've been…",{"id":129,"by":130,"text":131},"25502573","PurpleFoxy","Wouldn’t a crime heatmap be more than sufficient?",[133],{"value":134,"source":52,"evidence":135},"How is lighting data sourced and is it measured?",[136,140],{"id":137,"by":138,"text":139},"25495197","Cyber_squad","Coll but how you collect the source of light point in each roads? Are the application actively recording light intensity? Are they coming from open-data?",{"id":141,"by":142,"text":143},"25497865","ilyas121","Where does the data come from for defining sketch areas?",[145,156],{"value":146,"source":52,"evidence":147},"Google Maps",[148,152],{"id":149,"by":150,"text":151},"25496204","superimposition","Ditto. Additionally, Google Maps makes me try to cross streets that technically shouldn't be crossed by pedestrians.",{"id":153,"by":154,"text":155},"25496793","realjohng","Great idea. I can certainly relate to the feeling of thinking \"this is sketch\" while following a google map route. Google should just build this feature in.",{"value":157,"source":52,"evidence":158},"GraphHopper safe-route prototype",[159],{"id":160,"by":161,"text":162},"25500721","karussell","In a team at a hackathon I implemented a similar thing (safe way to school) with GraphHopper: https:\u002F\u002Fgithub.com\u002Fkarussell\u002Fnordhopper (Disclaimer: I'm one of the GraphHopper…",{"comments":46,"answered":42,"key":164},[165,168,171],{"id":166,"text":167},"25507703","Oh so cool! Didn't even see that myself on github!",{"id":169,"text":170},"25500082","lol no and thanks! I recently posted an email validator I built about a year ago with not much thought https:\u002F\u002Fnews.ycombinator.com\u002Fitem?id=25440220 Today, I noticed my 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