Too much text to include as a quote, but I am extremely intrigued by Zivarts' discussion of a measurement called the Level Of Traffic Stress that indicates how stressful it is to be a pedestrian along a route. it's based on a previous measurement called the Bicycle Level of Traffic Stress. Washington State is using this on every state route to assess gaps. i.e. routes with high levels of pedestrian stress are gaps, which are then evaluated against safety, equity and potential user demand metrics.