at the same intersection ... all signs are either blue if on motorway or green background. routes are distinguished in importance by letter prefix. N would be a national road, R would be a minor road (two types). You can guess that the Route number (R) was changed recently. Note again that although the N3 is the main route ... the yellow disk T indicates the start of the toll road. NB: Actually this sign should be changed, because 1km down the road he N3 becomes motorway to Johannesburg !!Originally uploaded to Coppermine on Apr 12, 2007 by michaelsa
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'''at the same intersection ... all signs are either blue if on motorway or green background. routes are distinguished in importance by letter prefix. N would be a national road, R would be a minor road (two types). You can guess that the Route number (R)