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Howrah–Chennai main line

Howrah–Chennai main line
(Howrah - Chennai) Mail Express Route map.jpg
Howrah-Chennai railway route
Overview
Status Operational
Locale West Bengal, Odisha,
Andhra Pradesh, Tamil Nadu
Termini Howrah
Chennai Central
Operation
Opened 1901
Owner Indian Railway
Operator(s) South Eastern Railway, East Coast Railway, South Central Railway, Southern Railway
Technical
Line length 1,661 km (1,032 mi)
Number of tracks 2
Track gauge 1,676 mm (5 ft 6 in) Broad gauge
Electrification 2005 with 25 kV overhead line
Operating speed up to 130 km/h (for Kharagpur-Vijayawada section) and up to 160 km/hr (for Howrah-Kharagpur and Vijayawada-Chennai sections)