Philadelphia Magazine's Citified blog interviews co-founder David Curtis about the confusing and inadequate street signs leading to I-676: "Someone in a car or on a bike could easily think this is a local street or maybe a winding entrance into a gated community... Then it suddenly dumps you onto three lanes of freeway traffic."

Read the entire story: http://www.phillymag.com/citified/2015/07/16/fix-it-unmarked-onramp-24th-street/