The priority section of the Delhi-Ghaziabad-Meerut Regional Rapid Transit System (RRTS) Corridor will be inaugurated by Prime Minister Narendra Modi on Friday. He will flag off a RAPIDX train connecting Sahibabad and Duhai Depot, marking the launch of the RRTS in India. The 17-km long priority section of the Delhi-Ghaziabad-Meerut RRTS corridor will connect Sahibabad to Duhai Depot through stations at Ghaziabad, Guldhar and Duhai.