This very detailed map covers the western fringe of Caerphilly, with coverage stretching from Nantgarw Road and Caenant Road westward. Features include stretches of the GWR railway, including Aber Junction, Aber Junction Halt, Penyrheol Halt, Beddau Sidings, part of the Senghenydd Branch. The former Barry Railway route is shown being dismantled. Other features include Old Furnace, Pen-yr-Heol, cemetery, Pandy, Omnibus Depot, Trecenydd area etc. On the reverse we include the 1929 Cardiff-Caerphilly-Rhymney timetable.
The map links up with sheets 37.02 Caerphilly (North) to the east.