According to an official notification, Bangalore Metro Rail Corporation Limited, a joint venture of Government of Karnataka & Government of India has initiated process for construction of 2 viaducts at a cost of INR 410 crore.

According to the notification the first viaduct 5.1 kilometer will be constructed in North to South corridor, excluding station portions in Reach 3 between Yeshwwanthupur & Swastik Terminal at a cost of INR 200 crore.

The second viaduct 5.9 kilometer will be constructed in East to West corridor, excluding station portions in Reach2 between Magadi road & Mysore road Terminal. The estimated cost of the viaduct is about INR 210 crore.

The viaducts are part of first phase of Bangalore Metro consisting of 2 corridors of double line electrified will cover a total of 33 kilometer. Out of this, 6.76 kilometer will be underground near City Railway Station, Vidhana Soudha, Majestic & City Market and most of the rest will be elevated.

The East to West corridor will be 18.10 kilometer long, starting from Byappanahalli & terminating at Mysore Road terminal. The 14.90 kilometer North to South corridor will begin at Yeshwantpur Terminal & terminate at RV Road terminal.