The South African government is to collaborate with Nigeria on developing road infrastructure in the West Africa country through the Development Bank of Southern Africa (DBSA) which is owned by Pretoria. This was confirmed by DBSA’s Hulisani Makhuvha on Monday as he addressed the media in the Nigerian capital Abuja on the sidelines of a conference of Nigeria-South Africa Intergraded Road Transport Infrastructure Initiative to launch a road infrastructure programme for the West Africa region, Vanguard reported.