Civil Engineering October 2021 | Vol 29 No 9

Civil Engineering October 2021 13 Daily average traffic volumes 4 000 000 3 500 000 3 000 000 2 500 000 2 000 000 1 500 000 1 000 000 500 000 0 Figure 6 SANRAL City of eThekwini freeway network, traffic volumes weekly average, January 2019 to December 2020 (Source: SANRAL, 2021) Week number 0 5 10 15 20 25 30 35 40 45 50 January February March April May June July August September October November 2020 2019 Figure 7 City of Cape Town freeway network, traffic volumes week-to-week change, March 2020 to August 2021 (Source: City of Cape Town, 2021) Traffic volume (%) 100 80 60 40 20 0 Week –20 15/03/2020 22/03/2020 29/03/2020 05/04/2020 12/04/2020 19/04/2020 26/04/2020 03/05/2020 10/05/2020 17/05/2020 24/05/2020 31/05/2020 07/06/2020 14/06/2020 21/06/2020 28/06/2020 05/07/2020 12/07/2020 19/07/2020 26/07/2020 02/08/2020 09/08/2020 16/08/2020 23/08/2020 30/08/2020 06/09/2020 13/09/2020 20/09/2020 27/09/2020 04/10/2020 11/10/2020 18/10/2020 25/10/2020 01/11/2020 08/11/2020 15/11/2020 22/11/2020 29/11/2020 06/12/2020 13/12/2020 20/12/2020 27/12/2020 03/01/2021 10/01/2021 17/01/2021 24/01/2021 31/01/2021 07/02/2021 14/02/2021 21/02/2021 28/02/2021 07/03/2021 14/03/2021 21/03/2021 28/03/2021 04/04/2021 11/04/2021 18/04/2021 25/04/2021 02/05/2021 09/05/2021 16/05/2021 23/05/2021 30/05/2021 06/06/2021 13/06/2021 20/06/2021 27/06/2021 04/07/2021 11/07/2021 18/07/2021 25/07/2021 01/08/2021 08/08/2021 Percentage of maxTotal number of vehicles counted Change week-to-week