In 1840 Wilson asked the government to build a road from Braidwood to Huskisson for faster and cheaper shipping of wool to Sydney . Wilson and Col. John Mackenzie , supplied the materials and men to make the Braidwood to Nerriga section . In 1840 Wilson petitioned the government to build a road from Braidwood to Huskisson to enable faster and cheaper shipping of the wool clip to Sydney and , with Col. John Mackenzie , supplied the materials and labor for the Braidwood to Nerriga section .