The management of climate change impacts on road infrastructure : a case of the City of Tshwane Metropolitan Municipality

Abstract

After the South African energy sector, the road transport sector is the second largest contributor to climate change rising from greenhouse gas emissions. While the road transport infrastructure is designed to withstand typical weather patterns, evolving climate change events affect the capacity of the road transport infrastructure to withstand severe events above the usual threshold. This thesis offers an overview of the possible impact of climate change on road networks and services in the City of Tshwane Metropolitan Municipality – specifically, the impacts of temperature increases, changes in precipitation and increased storm activity on road infrastructure. The study was carried out in the City of Tshwane Metropolitan Municipality using a mixed methodology for the collection and analysis of data. Municipal officials within selected units were interviewed face to face and others completed a structured questionnaire. The study suggested initiatives that could help the City of Tshwane Metropolitan Municipality to develop successful climate change management measures, especially in terms of how the municipality manages its road transport infrastructure. The study recommends that the impact of climate change should be integrated into transport planning as a central factor in the planning processes of road authorities.

Lekala la ditsela tša dinamelwa ke la bobedi ka bogolo, le latela lekala la enetši, mo Afrika Borwa la go ba le seabe go phetogo ya boemo bja boso ya go hlolwa ke meoya ya go se lokele tikologo. Le ge mananeo-kgoparara a ditsela tša dinamelwa a hlamilwe go kgotlelela maemo a boso ao a tlwaelegilego, phetogo ya boemo bja boso e ama gampe maemo a mananeo-kgoparara a ditsela tša dinamelwa go ka kgotlelela seemo sa boso seo se tseneletšego sa go se swane le sa mehleng. Lengwalo-thuto le le fa kakaretšo ya ka mo phetogo ya boemo bja boso e ka amago gampe dikgokaganyo le ditirelo tša ditsela Mmasepaleng-Mogolo wa Toropo ya Tshwane. Kudukudu go lebeletšwe kamo-mpe ya koketšego ya phišo, phetogo ya dipula le koketšego ya madimo mo mananeong-kgoparara a ditsela. Thuto-nyakišišo ye e dirilwe Mmasepaleng-Mogolo wa Toropo ya Tshwane ka go šomiša mokgwanyakišišo wa go kopanya mekgwa ya dipalo le ya boleng ge go kgoboketšwa le ge go sekakekwa tshedimošo. Go bile le poledišano ka sebele le bahlankedi ba bangwe ba mmasepala diyuniting tšeo di kgethilwego, mola ba bangwe ba filwe matlakala a dipotšišo-nyakišišo. Lengwalo-thuto le le tla ka dikgopolompsha tšeo di ka thušago Mmasepala-Mogolo wa Toropo ya Tshwane go hlama mekgwataolo yeo e ka šomišwago go hlokomela mananeo-kgoparara a ditsela tša dinamelwa. Lengwalo-thuto le eletša gore kamompe ya phetogo ya boemo bja boso e swanetše go ba kgwekgwe ge balaodi ba tša ditsela ba rulaganya mananeo a bona