Given that road infrastructure plays a critical role in the Republic’s economy and is the main mode of transport for goods, with the rail sector facing numerous challenges, and in light of the great amounts of money that small-scale farmers spend in attempting to fix the damaged roads themselves, which is surely unsustainable and may cripple them in the long run, what (a) plans does his department have in place to address the Republic’s ageing road infrastructure and (b) has been the (i) successes and (ii) challenges experienced in the implementation of the specified plans?