Cika wannan jumla: Canja wurin ragowar ƙasashen RTA ya haifar da sabuwar dama don bincike da fassara. Masana tarihi na HHT Joy Hughes, Jane Kelson da mai kula da Fergus Clunie sun fara tattara taswirar tarihi na yankin. Neman wurin da asalin gidan gidan Toll a Rouse Hill, ya gano sabon shaida game da layin tsohuwar hanyar Hawkesbury (1794-1813) wanda bin da "
"yaƙin Vinegar Hill", wani rikici na makamai tsakanin fursunoni da sojoji, ya faru a 1804. Kodayake hanya ta daɗe da ɓacewa, ta bayyana iyakar kyautar ƙasa ta farko a yankin, "Copenhagen" mai girman kadada 1000 da aka bai wa Kyaftin William Bligh. Har ila yau, ya yi kusa da tseren kilomita na tsohuwar Windsor Road wanda aka gina ta fursunoni a 1812-13 a matsayin hanyar farko ta farko a cikin mulkin mallaka tsakanin Sydney da Hawkesbury. An daɗe ana muhawara game da ainihin wurin yakin Vinegar Hill, amma hujjojin taswira da layin tsohuwar hanyar Hawkesbury sun nuna cewa wataƙila ya faru ne tsakanin Second Ponds Creek da ƙwanƙolin Rouse Hill, wanda a da ake kira Vinegar Hill. An yi imanin cewa jerin bishiyoyi na farko a gefen hanya sun kasance a lokacin yakin.