Diversity in Every Step You Take Part 3

It is at stream crossings that the road changes briefly from asphalt to concrete. This abrupt change in road material is to preserve the pavement. If the effluent passing from south to north flowed over asphalt the asphalt would quickly dissolve. Concrete survives.

Parks and open space areas help protect natural resources and wildlife, enhance water and air quality, and improve overall community livability.

San Diego County Parks and Recreation Department.

These stream crossings are — oddly enough — posted with No Swimming signs which are only offered in Spanish. The good news is that just about the only surfers ever found anyplace along here were gang members, water logged, and very, very dead.