So unnerving to have cars on one side of you zipping around that turn doing 50 and this on the other side

Got down this rabbit hole recently. Here is the map, and a link to a (maybe the most?) recent upgrade. $15M / station applied to 107 more stations gets you to $1.6B to do the whole system. $ does not account for some stations being more challenging than Conshohocken. wwww.septa.org/news/conshoh...