The Indian side of the Kartarpur Corridor is around 55 kilometers by road from Amritsar city in Punjab. The easiest way to is to avail any of the plenty of buses, both government as well as private from Amritsar to Dera Baba Nanak Bus Terminal in Gurdaspur. From the bus terminal it is a few hundred meters of walking towards the international border, the gate to the Indian side of Kartarpur Corridor.
Alternatively you can book a taxi to and fro Amritsar to the nearest point of the Kartarpur Corridor gate. Being a border area, one is supposed to carry government identity in the vicinity.
Amritsar, which itself is a religious as well as tourist place, also the capital of the Indian state of Punjab can be reached by Air through Sri Guru Ram Dass Jee International Airport, connected to other parts of India and other countries with direct international flights.
Amritsar railway station is the main link to other parts of India by rail. There are many trains linking Amritsar to prominent railway stations of India. The famous Samjhauta Express runs from Delhi through Amritsar to Lahore in Pakistan
Amritsar is located on the historic Grand Trunk Road (G.T Road), also known as NH 1 now renumbered as National Highway 3. Additionally, NH 54 (Old NH15), NH 354 and NH 503A connect Amritsar to other parts of state and rest of India.