DMRC has proposed four new metro corridors in Ghaziabad under Phase 5 to boost regional connectivity, including a key 5.1 km Blue Line extension from Noida Electronic City to Sahibabad. These projects totalling 25 km and estimated at Rs 7,500 crore, will connect areas like Indirapuram, Vasundhara, and Hindon Terminal, aiming to benefit over 5 lakh residents.