Commemorative plaque erected at the southern terminus of the Merthyr Tramroad (nprn 91513). The plaque reads:

IN COMMEMORATION OF THE ACHIEVEMENTS OF RICHARD TREVITHICK WHO HAVING CONSTRUCTED THE FIRST STEAM LOCOMOTIVE DID ON FEBRUARY 21ST 1804 SUCCESSFULLY HAUL 10 TONS OF IRON AND NUMEROUS PASSENGERS, ALONG A TRAMROAD, FROM MERTHYR TO THIS PRECINCT WHERE WAS SITUATED THE LOADING POINT OF THE GLAMORGAN CANAL

(NB: the correct name is the Glamorganshire Canal [nprn 34425])
There is an earlier monument (nprn 91516) in Merthyr Tydfil at the northern end of the Tramroad.
B.A.Malaws, RCAHMW, 12 May 2004.