Chord link line (Kolkata Suburban Railway)

The Chord link line (Kolkata Suburban Railway) is also known as Calcutta Chord link (CC Link) which is the Branch line of the Kolkata Suburban Railway which comes under the jurisdiction of Eastern Railway's Sealdah Division & Howrah Division. Its termini are Sealdah (SDAH) and Dankuni Junction on the Sealdah-Dankuni route where it meets Howrah–Bardhaman chord line with the length of 22km with 9 stations. Which is an important link for both Divisions of Eastern Railway zone and has an direct connectivity with South Eastern Railway.

Calcutta Chord link line
Overview
Type	Commuter rail
System	Kolkata Suburban Railway
Status	Operational
Locale	West Bengal
Termini	Sealdah Dankuni Junction
Stations	9
Daily ridership	0.291 Million
Website	Eastern Railway
Operation
Opened	1865 (1865)
Owner	Indian Railway
Operator(s)	Eastern Railway
Character	At grade until Dum Dum, Elevated thereafter.
Depot(s)	Sealdah
Technical
Line length	22 km (14 mi)
Number of tracks	2
Track gauge	1,676 mm (5 ft 6 in) Broad gauge
Electrification	25 kV overhead line
Operating speed	up to 100 km per hour

From Sealdah to Dum Dum Junction it shares a line with the Eastern line's Sealdah section mainline. After Dum Dum Junction, It Splits into two lines and starts elevation and runs parallel with the Beleghoria Expressway by Passing through Baranagar after which it crosses the Hooghly through the Vivekananda Setu and onto Bally Ghat and also Elevates over the Howrah–Bardhaman main line at Bally and Ends at Dankuni Junction. Additional Chord Connector has two wing which meets at Rajchandrapur before proceeding to Sealdah & other wing proceed to Dankuni. The Additional Chord link line which connects to the Santragachi–Amta branch line with the length of 13 Km to Andul which it lies at the South Eastern main line to Kharagpur is totally a single line. which stretches parallel to the NH-6 popularly Bombay Road. In the middle of ACCL there is Bhattanagar RPF post where 4 track exist for Goods Train. Towards Andul, it crosses Kona bridge and meets with Howrah-Amta Line at Baltikuri Halt where no train stops at present.

This line was opened in 1865 and converted to electrification in 1965,[1] On that time the Freight Services was passed on this line which was profitable for railways and the EMU trains also runs on this line for connecting to Chord line to Howrah Jn for plying long-distance trains. But due to Passenger Demand was Increased for Long Distance trains Start from Sealdah to pass through to this line and connects to the rest of India. for that purpose A Duronto Train to Puri from Sealdah was Started on 12 February 2012 for direct connectivity to Puri from Sealdah.[2]