We decided to ride the paved trail which starts a little over a mile from where we are parked and follows the highway into Moab.  The first order of business was to pump up and install our road wheels:

The trail descents into Moab.  After we reached the end, we rode a spur trail 2.5 miles paralleling the Colorado River until that trail ended.  On the way back, Trish and the kids continued towards home while I rode the climb into Arches National Park:

Unfortunately, B got a flat almost immediately, so Trish and the kids waited for me to come back down, as I had the patch kit: