National Highway 48 is a major National Highway of India that starts at Delhi and terminates at Chennai traversing through seven states of India. It has a total length of 2807 km. NH 48 passes through the states of Delhi, Haryana, Rajasthan, Gujarat, Maharashtra, Karnataka and Tamil Nadu. The stretch between Pune and Bengaluru was known as P.B. Road in olden days.

National Highway 8 is a 4-lane National Highway in India. According to estimates, it is the busiest highway in the subcontinent, as it connects the national capital Delhi to the financial capital Mumbai, as well as important cities Gurgaon, Jaipur, Ajmer, Udaipur, Ahmedabad, Vadodara, Surat, Nadiad, Anand and Kheda. The total length is 1428km. Under the new numbering it has become part of the NH48.