<prompt> Qedela umusho olandelayo: Ngonyaka olandelayo iRoyal Automobile Club yaqasha inkundla yezindiza futhi yahlela indawo yomjaho esemthethweni. Imijaho yabo yokuqala emibili yayibanjelwe emigwaqweni yokugibela, enezindlela ezinde ezihlukaniswe ngamakona amancane, ithrekhi ihlukaniswe ngamabhakede otshani. Nokho, emhlanganweni we - 1949 we - International Trophy, kwanqunywa ukuba kushintshwe kusetshenziswe ithrekhi ye - perimeter. Leli lungiselelo lasetshenziselwa  <response>: Ngo-1950 nango-1951 iGrand Prix. Ngo-1952 umugqa wokuqala wasuswa eFarm Straight wayiswa ohlangothini oluqondile oluhlanganisa amagumbi eWoodcote neCopse, futhi lokhu kubekwa kwahlala kungashintshiwe eminyakeni engama-38 eyalandela. Emhlanganweni wango-1975 kwafakwa i-chicane ukuzama ukulawula isivinini ngeWoodcote Corner yize iMotoGP isazoqhubeka nokusebenzisa isifunda ngaphandle kwe-chicane kuze kube ngu-1986, kanti iBridge Corner yashintshwa ngobuhlakani ngo-1987. 