The Delhi Metro Rail Corporation has invited bids for independent safety assessment services for train control and signalling systems for the Noida-Greater Noida metro rail project. The last date for bid submission is June 20, 2016. The project involves the development of a 28.2 km metro system to connect Noida and Greater Noida at an investment of Rs 55.26 billion. The line will run from Noida Sector 71 to Bodaki in Greater Noida.