It is during the Iron Age that two major highways came to connect the subcontinent. The first is an east–west road called Uttara Path (i.e. Northern Road) that ran from eastern Afghanistan, across the Gangetic plains to the ports of Bengal. This road would be repaired and rebuilt throughout Indian history and survives today as National Highway 1 between Amritsar and Delhi and as National Highway 2 between Delhi and Kolkata.
