The C. Darwin Stolzenbach papers consists of correspondence and memoranda, bound and unbound reports, original and photocopied news clippings, documents related to civil action suits pertaining to highway legislation, excerpts from law review magazines, press releases, copies of speeches, minutes and agendas of meetings, original and photocopied Congressional and other legislation, photographs, and maps.

The material in this collection relate to the Tri-State Commission and Metro. The donor, Jerome M. Alper was a lawyer who helped draft the interstate compact that created the regional rapid rail system.