Blue Line (Line 3 & Line 4)
Fleet of Blue line manufactured by Mitsubishi-ROTEM
Overview
Status	Operational
Locale	Delhi,Noida,Ghaziabad
Termini	Line 3 (Main Line):Noida Electronic City andDwarka Sector 21 Line 4 (Branch):Vaishali andYamuna Bank
Stations	Line 3 (Main Line):50 Line 4 (Branch):8
Service
Type	Rapid transit
System	Delhi Metro
Operator(s)	Delhi Metro Rail Corporation
History
Opened	Line 3 (Main Line): 31 December 2005, Line 4 (Branch): 8 January 2010
Technical
Line length	Line 3 (Main Line): 56.11 km (34.87 mi), Line 4 (Branch): 8.51 km (5.29 mi)
Character	At-grade, Underground, and Elevated
Track gauge	1,676 mm (5 ft 6 in) broad gauge
Electrification	25 kV 50 Hz ACoverhead catenary
Route map Legend Noida Electronic City Noida Sector 62 Noida Sector 59 Noida Sector 61 Noida Sector 52 Aqua Line Noida Sector 34 Noida City Centre Golf Course Botanical Garden Magenta Line Noida Sector 18 Vaishali Noida Sector 16 Kaushambi Noida Sector 15 Uttar Pradesh Delhi border Pink Line Anand Vihar New Ashok Nagar Pink Line Karkarduma Mayur Vihar Extension Preet Vihar Mayur Vihar-I Pink Line Nirman Vihar Nizamuddin Bridge over National Highway 24 Laxmi Nagar Akshardham Yamuna Bank Yamuna River Indraprastha Green Line Ring Road Indian Railways Supreme Court Tilak Marg/ITO Mandi House Violet Line Barakhamba Road Rajiv Chowk Yellow Line Ramakrishna Ashram Marg Magenta Line Jhandewalan Ridge Road Karol Bagh Rajendra Place Patel Nagar Shadipur Indian Railways Kirti Nagar Green Line Satguru Ram Singh Marg Moti Nagar Ramesh Nagar Ring Road Rajouri Garden Pink Line Tagore Garden Subhash Nagar Tilak Nagar Janakpuri East Outer Ring Road Janakpuri West Magenta Line Uttam Nagar East Uttam Nagar West Nawada Dwarka Mor Dwarka Grey Line Dwarka Sector 14 Dwarka Sector 13 Dwarka Sector 12 Dwarka Sector 11 Dwarka Sector 10 Dwarka Sector 9 Dwarka Sector 8 Dwarka Sector 21 Airport Express

TheBlue Line (Line 3 & Line 4) is arapid transit metro line of theDelhi Metro inDelhi,India. Predominantly elevated, it is the longest line (by total length) on the network and consists of aMain Line(Line 3) with50 stations fromNoida Electronic City toDwarka Sector 21, spanning a length of 56.11 kilometres (34.87 miles), and aBranch Line(Line 4) consisting of eight stations fromVaishali toYamuna Bank, with a length of 8.51 kilometres (5.29 miles).^[1]

The Main Line (Line 3) held the title of the longest line in the Delhi Metro network until August 6, 2021, when the inauguration of the unfinished section betweenMayur Vihar Pocket 1 andTrilokpuri Sanjay Lake stations on thePink Line extended it to a 59 km (36.66 mi)-long corridor, surpassing Line 3.^[2]

TheDwarka –Barakhamba Road section of the line was inaugurated and opened to the public by the thenPrime Minister of India,Dr. Manmohan Singh, on 31 December 2005. Subsequent sections opened between Dwarka –Dwarka Sector 9 on 1 April 2006, Barakhamba Road –Indraprastha on 11 November 2006, Indraprastha –Yamuna Bank on 10 May 2009, Yamuna Bank –Noida City Centre on 12 November 2009, and Dwarka Sector 9 –Dwarka Sector 21 on 30 October 2010.

A branch of the Blue line spanning 6.25 kilometres (3.88 mi) was inaugurated on 8 January 2010 from Yamuna Bank metro station to theAnand Vihar inEast Delhi.^[5] It was further extended up toVaishali, with it opening to the public on 14 July 2011.^[6] On 9 March 2019, a 6.67 km (4.14 mi) extension of the line fromNoida City Centre toNoida Electronic City was unveiled to the public.^[7]

It has been proposed to extend the main line fromNoida Electronic City to Sahibabad with five stations at Vaibhav Khand, DPS Indirapuram, Shakti Khand, Vasundhara Sector 5, and Sahibabad.^[8][9]

Karkarduma station on the Vaishali branch of the Blue Line holds the distinction of the second highest station of Delhi Metro with a platform height of 20 metres (65 feet 7 inches).^[10]Rajouri Garden station on the main line is the third highest station with a height of 17 metres (55 feet 9 inches).^[11]

Delhi Metro has parking facilities at 35 metro stations on the Blue line.^[12]

Blue Line - Main Line
#	Station Name		Opening	Interchange Connection	Station Layout	Platform Level Type
	English	Hindi
1	Sahibabad	साहिबाबाद	Proposed	Sahibabad	Elevated	Side
2	Vasundhara Sector 5	वसुन्धरा सेक्टर ५	Proposed	None	Elevated	Side
3	Shakti Khand	शक्ति खंड	Proposed	None	Elevated	Side
4	DPS Indirapuram	डीपीएस इंदिरापुरम	Proposed	None	Elevated	Side
5	Vaibhav Khand	वैभव खंड	Proposed	None	Elevated	Side
6	Noida Electronic City	नोएडा इलैक्ट्रौनिक सिटी	9 March 2019	None	Elevated	Side
7	Noida Sector 62	नोएडा सेक्टर ६२	9 March 2019	None	Elevated	Side
8	Noida Sector 59	नोएडा सेक्टर ५९	9 March 2019	None	Elevated	Side
9	Noida Sector 61	नोएडा सेक्टर ६१	9 March 2019	None	Elevated	Side
10	Noida Sector 52	नोएडा सेक्टर ५२	9 March 2019	Aqua Line	Elevated	Side
11	Noida Sector 34	नोएडा सेक्टर ३४	9 March 2019	None	Elevated	Side
12	Noida City Centre	नोएडा सिटी सेंटर	12 November 2009	None	Elevated	Side
13	Golf Course	गोल्फ़ कोर्स	12 November 2009	None	Elevated	Side
14	Botanical Garden	बॉटानिकल गार्डन	12 November 2009	Magenta Line	Elevated	Side
15	Noida Sector 18	नोएडा सेक्टर १८	12 November 2009	None	Elevated	Side
16	Noida Sector 16	नोएडा सेक्टर १६	12 November 2009	None	Elevated	Side
17	Noida Sector 15	नोएडा सेक्टर १५	12 November 2009	None	Elevated	Side
18	New Ashok Nagar	नया अशोक नगर	12 November 2009	Delhi-Meerut RRTS	Elevated	Side
19	Mayur Vihar Extension	मयूर विहार विस्तार	12 November 2009	None	Elevated	Island
20	Mayur Vihar-I	मयूर विहार-१	12 November 2009	Pink Line	Elevated	Island
21	Akshardham	अक्षरधाम	12 November 2009	None	Elevated	Side
22	Yamuna Bank	यमुना बैंक	10 May 2009	Blue Line - (Branch Line - Line 4)	At Grade	Island
23	Indraprastha	इंद्रप्रस्थ	11 November 2006	Green Line (Phase 4 - Under Construction)	Elevated	Side
24	Supreme Court	उच्चतम न्यायालय	11 November 2006	None	Elevated	Side
25	Mandi House	मंडी हाउस	11 November 2006	Violet Line	Underground	Side
26	Barakhamba Road	बाराखम्बा मार्ग	31 December 2005	None	Underground	Side
27	Rajiv Chowk	राजीव चौक	31 December 2005	Yellow Line	Underground	Side
28	Ramakrishna Ashram Marg	रामकृष्ण आश्रम मार्ग	31 December 2005	Magenta Line (Phase 4 - Under Construction)	Elevated	Side
29	Jhandewalan	झंडेवालान	31 December 2005	None	Elevated	Side
30	Karol Bagh	क़रोल बाग़	31 December 2005	None	Elevated	Side
31	Rajendra Place	राजेंद्र प्लेस	31 December 2005	None	Elevated	Side
32	Patel Nagar	पटेल नगर	31 December 2005	None	Elevated	Side
33	Shadipur	शादीपुर	31 December 2005	None	Elevated	Side
34	Kirti Nagar	कीर्ति नगर	31 December 2005	Green Line	Elevated	Side
35	Moti Nagar	मोती नगर	31 December 2005	None	Elevated	Side
36	Ramesh Nagar	रमेश नगर	31 December 2005	None	Elevated	Side
37	Rajouri Garden	राजौरी गार्डन	31 December 2005	Pink Line	Elevated	Side
38	Tagore Garden	टैगोर गार्डन	31 December 2005	None	Elevated	Side
39	Subhash Nagar	सुभाष नगर	31 December 2005	None	Elevated	Side
40	Tilak Nagar	तिलक नगर	31 December 2005	None	Elevated	Side
41	Janakpuri East	जनकपुरी पूर्व	31 December 2005	None	Elevated	Side
42	Janakpuri West	जनकपुरी पश्चिम	31 December 2005	Magenta Line	Elevated	Side
43	Uttam Nagar East	उत्तम नगर पूर्व	31 December 2005	None	Elevated	Side
44	Uttam Nagar West	उत्तम नगर पश्चिम	31 December 2005	None	Elevated	Side
45	Nawada	नवादा	31 December 2005	None	Elevated	Side
46	Dwarka Mor	द्वारका मोड़	31 December 2005	None	Elevated	Side
47	Dwarka	द्वारका	31 December 2005	Grey Line	Elevated	Side
48	Dwarka Sector 14	द्वारका सैक्टर १४	1 April 2006	None	Elevated	Side
49	Dwarka Sector 13	द्वारका सैक्टर १३	1 April 2006	None	Elevated	Side
50	Dwarka Sector 12	द्वारका सैक्टर १२	1 April 2006	None	Elevated	Side
51	Dwarka Sector 11	द्वारका सैक्टर ११	1 April 2006	None	Elevated	Side
52	Dwarka Sector 10	द्वारका सैक्टर १०	1 April 2006	None	Elevated	Side
53	Dwarka Sector 9	द्वारका सैक्टर ९	1 April 2006	None	Elevated	Side
54	Dwarka Sector 8	द्वारका सैक्टर ८	30 October 2010	None	Elevated	Side
55	Dwarka Sector 21	द्वारका सैक्टर २१	30 October 2010	Airport Express	Underground	Side

Blue Line - Branch Line
#	Station Name		Opening	Interchange Connection	Station Layout	Platform Level Type
	English	Hindi
1	Yamuna Bank	यमुना बैंक	10 May 2009	Blue Line - (Main Line)	At Grade	Side
2	Laxmi Nagar	लक्ष्मी नगर	6 January 2010	None	Elevated	Side
3	Nirman Vihar	निर्माण विहार	6 January 2010	None	Elevated	Side
4	Preet Vihar	प्रीत विहार	6 January 2010	None	Elevated	Side
5	Karkarduma	कड़कड़ डूमा	6 January 2010	Pink Line	Elevated	Side
6	Anand Vihar	आनंद विहार	6 January 2010	Pink Line Anand Vihar Anand Vihar Terminal Anand Vihar ISBT	Elevated	Side
7	Kaushambi	कौशाम्बी	14 July 2011	None	Elevated	Side
8	Vaishali	वैशाली	14 July 2011	None	Elevated	Side
9	Prahlad Garhi	प्रहलाद गढ़ी	Proposed	None	Elevated	Side
10	Vasundhara Sector 14	वसुंधरा सेक्टर 14	Proposed	None	Elevated	Side
11	Sahibabad	साहिबाबाद	Proposed	Blue Line - (Main Line)	Elevated	Side
12	Mohan Nagar	मोहन नगर	Proposed	Red Line	Elevated	Side

"Delhi Blue Line Metro: Yamuna Bank to Loni": From the existingYamuna Bank metro station, the Blue Line Metro will be extended 12 km (7.5 mi) to theLoni on Delhi-Ghaziabad border in Phase-V.^[13]

"Delhi Blue Line Metro: Dwarka sector 21 to Udyog Vihar": From the existingDwarka Sector 21 metro station, the Blue Line Metro was planned to be extended by 11 Kilometres up toUdyog Vihar,Gurgaon, as part of the in the proposed 18 corridors under the phase 5 extension.^[14]

• List of Delhi Metro stations
• Transport in Delhi
• Delhi Metro Rail Corporation
• Delhi Suburban Railway
• Delhi Transport Corporation
• National Capital Region (India)

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