Delhi–Alwar Regional Rapid Transit System
The Delhi–Alwar Regional Rapid Transit System (Delhi–Alwar RRTS) is a 164 km (102 mi) planned semi-high speed rail corridor that will connect Delhi, Gurugram, Rewari, SNB and Alwar. It is one of the three Namo Bharat corridors planned under Phase 1 of the Rapid Rail Transport System of the National Capital Region Transport Corporation (NCRTC).
Source: Wikipedia — Delhi–Alwar Regional Rapid Transit System (CC BY-SA 4.0)