Yes, it's the old Frankford Railbed that we're using and LOVE it. There couldn't be a better trail for the double-wide bike trailor, especially the part of the trail near our house (north of Frankford) since it's newly gravelled, grated and widened (I've actually seen a car drive down it! - illegally of course). However, when my husband and I run together (with our daughter) it's the closest thing we have to a 'date'

so it's nice to try out other trails to make out 'date' more interesting. So, thanks for the suggestions Jane & Chattyfeet... we'll give them a try!!