Oxygen Express Begins Journey From Lucknow To Bokaro Through Varanasi On Green Corridor by Arun Kumar Das - Apr 23, 2021 05:09 AM An oxygen express. Snapshot Indian Railways is running the âoxygen expressâ to transport liquid medical oxygen that is crucial in the treatment of coronavirus patients. Oxygen expresses are gearing up to transport liquid medical oxygen (LMO) on green corridors from Visakhapatnam and Bokaro on Thursday for Maharashtra and Uttar Pradesh respectively. Indian Railways is running the âoxygen expressâ to transport and make available the much-needed oxygen to treat coronavirus patients as hospitals across the country are facing an acute shortage of the liquid medical oxygen.