Chennai

Chennai is a city in India at latitude 13°05′24.00″ North, longitude 80°16′12.00″ East.

Chennai is India's fourth largest city and the capital of the state of Tamil Nadu.

Getting Started

• Check out the India#Getting_started project page. Or drop a message to User:Planemad
• Click here for easy step by step instructions for using the online map editor (potlatch)
• Obtain a map of your ward from the ward office
• Mark the location of the ward office in OSM. This is part of the drive to map all the 155 division offices for the benefit of the public. In potlatch, double click the location of the office to create a POI. Add a new tag to the point by clicking the + in the toolbar. in the key field type amenity and in the value type townhall. Add another tag by clicking the plus. This time enter the key=value fields as name=Ward0 Ward_Name (replace 0 by the ward number and Ward_Name by the name of the ward. See the table below for details.

Adopt a ward

Start off by mapping your area or adopt an area which you will maintain and keep updated. Add your name to the table below, his way everyone knows whos holding the broom for a locality which could turn out quite handy later. Find out which ward you belong to using this map. You can also collect details of all the wards in a zone from the zone office, look here to find out where the zone office is located

Next, locate your ward office and tag it on the map for the benefit of others. Obtain the ward map from the assistant engineer/junior engineer in the office and mark the ward boundaries. Add missing streets and streetnames from the map given by the corporation. Tag all corporation maintained amenities like parks, schools, halls, burial grounds, public toilets. Take a print out and hand it to the ward office for verification. In addition you can also give a copy to the post office in your area and ask them to mark post boxes and verify the streets.

North Chennai Zones 1-4

Zone	Zone Name	Ward	Ward Name	Users	Streetmap	Streetnames	Ward Boundary	Ward Office	Ground verification
I	Tondiarpet	1	Kodungaiyur (West)
I	Tondiarpet	2	Kodungaiyur (East)
I	Tondiarpet	3	Dr.Radhakrishnan Nagar (North)
I	Tondiarpet	4	Cherian Nagar (North)
I	Tondiarpet	5	Jeeva Nagar (North)
I	Tondiarpet	6	Cherian Nagar (South)
I	Tondiarpet	7	Jeeva Nagar (South)
I	Tondiarpet	8	Korukupet
I	Tondiarpet	9	Mottai Thottam
I	Tondiarpet	10	Kumaraswamy Nagar (South)
I	Tondiarpet	11	Dr.Radhakrishnan Nagar (South)
I	Tondiarpet	12	Kumaraswamy Nagar (North)
I	Tondiarpet	13	Dr. Vijayaraghavalu Nagar
II	Basin Bridge	14	Tondiarpet
II	Basin Bridge	15	Sanjeevarayanpet
II	Basin Bridge	16	Grace Garden
II	Basin Bridge	17	Ma Po Si Nagar
II	Basin Bridge	18	Royapuram
II	Basin Bridge	19	Singara Garden
II	Basin Bridge	20	Narayanappa Garden
II	Basin Bridge	21	Old Washermenpet
II	Basin Bridge	22	Meenakshiammanpet
II	Basin Bridge	23	Kondithope
II	Basin Bridge	24	Seven Wells (North)
II	Basin Bridge	25	Amman Koil
II	Basin Bridge	26	Muthialpet
II	Basin Bridge	27	Vallal Seethakadhi Nagar
II	Basin Bridge	28	Katchaleeswarar Nagar
II	Basin Bridge	29	Seven Wells (South)
II	Basin Bridge	30	Sowcarpet
II	Basin Bridge	31	Basin Bridge
III	Pulianthope	32	Vysarpadi (South)
III	Pulianthope	33	Vysarpadi (North)
III	Pulianthope	34	Perambur (North)
III	Pulianthope	35	Perambur (East)
III	Pulianthope	36	Elango Nagar
III	Pulianthope	37	Perambur (South)
III	Pulianthope	38	Thiru-Vi-Ka Nagar
III	Pulianthope	39	Wadia Nagar
III	Pulianthope	40	Dr.Sathiyavanimuthu Nagar
III	Pulianthope	41	Pulianthope
III	Pulianthope	42	Dr.Besant Nagar
III	Pulianthope	43	Peddunaickenpet
III	Pulianthope	44	Perumal Koil Garden
III	Pulianthope	45	Thattankulam
III	Pulianthope	46	Choolai
III	Pulianthope	47	Park Town
III	Pulianthope	48	Elephant Gate
III	Pulianthope	49	Edapalayam
IV	Ayanavaram	50	Agaram (North)
IV	Ayanavaram	51	Chembium
IV	Ayanavaram	52	Siruvallur
IV	Ayanavaram	53	Nagamaniammaiyar Nagar (North)
IV	Ayanavaram	54	Agaram (South)
IV	Ayanavaram	55	Viduthalai Gurusamy Nagar (South)
IV	Ayanavaram	56	Ayanavaram
IV	Ayanavaram	57	Naganmaniammayar Nagar (South)
IV	Ayanavaram	58	Panneerselvam Nagar
IV	Ayanavaram	59	Maraimalai Adigal Nagar (North)
IV	Ayanavaram	60	Maraimalai Adigal Nagar (South)
IV	Ayanavaram	61	Purasawalkam
IV	Ayanavaram	62	Kolathur
IV	Ayanavaram	63	Villivakkam (North)

South Chennai Zones 5-10

Zone	Zone Name	Ward	Ward Name	Users	Streetmap	Streetnames	Ward Boundary	Ward Office	Ground verification
V	Kilpauk	64	Villivakkam (South)
V	Kilpauk	65	Virugambakkam (North)
V	Kilpauk	66	Anna Nagar (West)
V	Kilpauk	67	Anna Nagar (Central)
V	Kilpauk	68	Anna Nagar (East)
V	Kilpauk	69	Shenoy Nagar
V	Kilpauk	70	Kilpauk (North)
V	Kilpauk	71	Gangadeeswarar Koil
V	Kilpauk	72	Kilpauk (South)
V	Kilpauk	73	Aminjikarai (East)
V	Kilpauk	74	Aminjikarai (Central)
V	Kilpauk	75	Aminjikarai (West)
V	Kilpauk	76	Periyar Nagar (North)
V	Kilpauk	77	Periyar Nagar (South)
V	Kilpauk	78	Nungambakkam
VI	Ice House	79	Adikesavapuram
VI	Ice House	80	Nehru Nagar
VI	Ice House	81	Chintadripet
VI	Ice House	82	Komaleeswaranpet
VI	Ice House	83	Balasubramaniam Nagar
VI	Ice House	84	Thiruvotteeswaranpet
VI	Ice House	85	Dr.Natesan Nagar
VI	Ice House	86	Chepauk
VI	Ice House	87	Zam Bazaar
VI	Ice House	88	Umarupulavar Nagar
VI	Ice House	89	Thiruvallikeni
VI	Ice House	90	Marina
VI	Ice House	91	Krishnampet
VI	Ice House	92	Bharathi Nagar
VI	Ice House	93	Azad Nagar (North)
VI	Ice House	94	Bharathidasan Nagar
VI	Ice House	95	Azad Nagar (South)
VI	Ice House	96	Vivekanandapuram
VII	Nungamabakkam	97	Anjukam Ammaiyar Nagar
VII	Nungamabakkam	98	Kosapet
VII	Nungamabakkam	99	Pattalam
VII	Nungamabakkam	100	Anbhazhagan Nagar
VII	Nungamabakkam	101	Perumalpet
VII	Nungamabakkam	102	Kannappar Nagar
VII	Nungamabakkam	103	Dr.Ambedkar Nagar
VII	Nungamabakkam	104	Chetpet
VII	Nungamabakkam	105	Egmore
VII	Nungamabakkam	106	Pudupet
VII	Nungamabakkam	107	Ko-Si-Mani Nagar
VII	Nungamabakkam	108	Nakkeerar Nagar
VII	Nungamabakkam	109	Thousand Lights
VII	Nungamabakkam	110	Azhagiri Nagar
VII	Nungamabakkam	111	Amir Mahal
VII	Nungamabakkam	112	Royapettah
VII	Nungamabakkam	113	Teynampet	User:Planemad	100%	100%	yes	yes
VIII	Kodamabakkam	114	Sathiyamoorthi Nagar
VIII	Kodamabakkam	115	Alwarpet (North)
VIII	Kodamabakkam	116	Alwarpet (South)
VIII	Kodamabakkam	117	Vadapalani (West)
VIII	Kodamabakkam	118	Vadapalani (East)
VIII	Kodamabakkam	119	Kalaivanar Nagar
VIII	Kodamabakkam	120	Navalar Nedunchezian Nagar (East)
VIII	Kodamabakkam	121	Navalar Nedunchezian Nagar (West)
VIII	Kodamabakkam	122	Ashok Nagar
VIII	Kodamabakkam	123	M.G.R.Nagar
VIII	Kodamabakkam	124	Kamaraj Nagar (North)
VIII	Kodamabakkam	125	Kamaraj Nagar (South)
VIII	Kodamabakkam	126	Thiyagaraya Nagar
VIII	Kodamabakkam	127	Rajaji Nagar
VIII	Kodamabakkam	128	Virugambakkam (South)
VIII	Kodamabakkam	129	Saligramam
IX	Saidapet	130	Kodambakkam (North)
IX	Saidapet	131	Kodambakkam (South)
IX	Saidapet	132	Saidapet (West)
IX	Saidapet	133	Kumaran Nagar (North)
IX	Saidapet	134	Kumaran Nagar (South)
IX	Saidapet	135	Saidapet (East)
IX	Saidapet	136	Kalaignar Karunanidhi Nagar
IX	Saidapet	137	V.O.C.Nagar
IX	Saidapet	138	G.D. Naidu Nagar (East)
IX	Saidapet	139	G.D. Naidu Nagar (South)
IX	Saidapet	140	Guindy (West)
IX	Saidapet	141	Guindy (East)
X	Mylapore	142	Bhemmannapet
X	Mylapore	143	Thiruvalluvar Nagar
X	Mylapore	144	Madhavaperumal Puram
X	Mylapore	145	Karaneeswarapuram
X	Mylapore	146	Santhome
X	Mylapore	147	Mylapore
X	Mylapore	148	Avvai Nagar (North)
X	Mylapore	149	Raja Annamalaipuram
X	Mylapore	150	Avvai Nagar (South)
X	Mylapore	151	Adyar (West)
X	Mylapore	152	Adyar (East)
X	Mylapore	153	Velacherry
X	Mylapore	154	Thriuvanmiyur (West)
X	Mylapore	155	Thiruvanmiyur (East)

Tagging

Places

Within Chennai Metropolitan area:

• place=town & is_in=DistrictName for all munipilaties/town panchayats. eg Tambaram, Poonamallee, Ambattur.
• place=suburb & is_in=TownName or is_in=Chennai for all places with a head post office having its own pincode [1]
• place=locality & is_in=SuburbName or is_in=Chennai for places within a suburb.
• place=village & is_in=Chennai for a predominantly rural village

Roads

Roads within chennai metro area are currently tagged based on public transport coverage (to make it more useful) since there is no official classification information.

• highway=motorway for high speed highways/expressways with median
• highway=trunk for arterial roads with median carrying majority of city traffic like Inner Ring Road, Anna Salai
• highway=primary for main roads with very high mtc bus frequency <10min
• highway=secondary for any other road served by public transport but with lower bus frequency >10min
• highway=tertiary for main roads and connecting roads that are not served by buses
• highway=residential roads used only for local residential traffic (use only if you know the road name)
• highway=unclassified everything else/roads traced from satellite imagery

Road names

• Since many streets have small length, the road names have been abbreiviated to improve rendering. Road is Rd, Street is St, Avenue is Ave, Lane is Ln.
• If a particular area has a lot of similiar named streets like X Nagar 1st St, X Nagar 2nd St. Add a POI in the area with tag name=X Nagar & place=locality. Tag the first street as name=X Nagar 1st St and shorten the subsequent streetnames as name=2nd St, name=3rd St alongwith is_in=X Nagar tag