Vietnam

V・T・E Vietnam, Asia

latitude: 16.028523, longitude: 106.687967

Browse map of Vietnam 16°01′42.68″ N, 106°41′16.68″ E

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Users in Vietnam GPS traces Geohack for OSM with more maps Check map features via Query-to-map

External links: Notes Quality checks with Osmose Keep Right! OSM Inspector Streets without names CheckAutopista2 Public transport with öpnvkarte.de Wikipedia: en Wikimedia Commons OpenStreetMap contributors map Mapillary KartaView

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Vietnam is a country in Asia at latitude 16°01′42.68″ North, longitude 106°41′16.68″ East.

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The Vietnam mapping project aims to increase OpenStreetMap coverage of Vietnam.

Information Brochure in Vietnamese. See original PDF

Community

• OpenStreetMap Vietnam group on Facebook
• OpenStreetMap Vietnam page on Facebook (inactive since 2018)
• talk-vi mailing list

Roads

Road Classification

See also: wikipedia:Transport_in_Vietnam#Road_transport

Use highway to classify the importance and usage of a way. Use tracktype to roughly classify the quality (regarding surface and smoothness conditions) of a way. To give more details on the quality, use surface and smoothness. For ways that cannot be used by cars, use either highway=path or a highway according to the importance of the way (for example highway=residential) together with a tag indicating the barriere for cars (for example width).

The main types of roads that can be encountered are:

Type	Reference	Classification
Expressway (đường cao tốc)	CT.##	highway=motorway
National road (quốc lộ)	QL.##	highway=trunk or highway=primary
Provincial road (đường tỉnh, tỉnh lộ)	ĐT.### or TL.###	highway=secondary
District road (hương lộ, đường huyện)	HL## or ĐH##	highway=tertiary

Access restrictions

Note that in general, motorbikes and scooters of any kind are not allowed on motorways in Vietnam, add motorcycle=no to prevent routing issues.

List of officially numbered roads

Expressways

See wikipedia:Expressways of Vietnam#List of Expressways

National Roads

Mark all national roads as network=VN.

The list below is outdated, a more up-to-date list can be found on Wikipedia.

Road No.	Relation	Status	Course	Surface	Note
1A	452938 452938		Dong Dang - Hanoi - Vinh - Hue - Da Nang - Quy Nhon - Nha Trang - Phan Thiet - Ho Chi Minh City - My Tho - Can Tho - Ca Mau	paved	2009-07
1B	0 0		Thái Nguyên – Lạng Sơn Province	?
1C	0 0		Khánh Hòa	?
1D	0 0		Qui Nhơn – Sông Cầu	?
1K	0 0		Ho Chi Minh City – Biên Hòa	?
2	169900 169900			paved	2009-07
3	169901 169901			paved	2009-07
6	Quan hệ chưa được định rõ			paved	2009-07
7	Quan hệ chưa được định rõ			paved	2009-07
9	Quan hệ chưa được định rõ			paved	2009-07
14	1079404 1079404			paved	2009-07
15	Quan hệ chưa được định rõ			paved	2009-07
19	Quan hệ chưa được định rõ			paved	2009-07
20	Quan hệ chưa được định rõ			paved	2009-07
26	Quan hệ chưa được định rõ			paved	2009-07
32	Quan hệ chưa được định rõ			paved	2009-07
70	Quan hệ chưa được định rõ			paved	2009-07

Urban streets and alleys

The name of an alley generally consists of:

1. The local word for "Alley": Ngõ or Ngách in northern Vietnam, Kiệt in central Vietnam, and Hẻm in southern Vietnam
2. A series of numbers indicating the alleys that lead from the main street to the alley, separated by slashes
3. The name of the main street

Examples:

• Hà Nội: name=Ngõ Quỳnh [1]
• Hội An: name=Kiệt 2 Lê Lợi short_name=Kiệt 2 [2]
• Ho Chi Minh City:
  • name=Hẻm 462 Cách mạng tháng Tám short_name=Hẻm 462 [3]
  • name=Hẻm 103/16/23 Chiến Lược short_name=Hẻm 23 [4]
  • name=Hẻm 36/45/32/49/13 Bùi Tư Toàn short_name=Hẻm 13 [5]

The addr:street=* value of each POI or building along the alley should match the alleyway's name=*.

Railways

Active lines

Line	Description	Relation	Status
	North-South Railway	2709148 2709148
	Hanoi–Lào Cai	8351998 8351998
	Hanoi–Đồng Đăng	9101638 9101638
	Kép–Ha Long	9101636 9101636
	Hanoi–Haiphong	3539672 3539672
	Hanoi–Thái Nguyên	9101640 9101640
	Da Lat–Trai Mat	10617633 10617633

Tuyến không còn tồn tại (Defunct lines)

Tuyến (Line)	Mô tả (Description)	Quan hệ (Relation)	Trạng thái (Status)
	Lưu Xá – Kép	9101639 9101639
	Phố Lu – Pom Hán
	Tiên Kiên – Bãi Bàng
	Tiên Kiên – Lâm Thao
	Đà Lạt – Tháp Chàm	3531754 3531754
	Yên Trạch - Na Dương	7106561 7106561

Places

Place	Map	Wikipedia	Notes
Hanoi	1903516 1903516	Hanoi	newhanoian.com is doing significant work to complete the Hanoi OSM. If anyone is interested in coordinating with them, please email info@newhanoian.com.
Ho Chi Minh City (Saigon)	1973756 1973756	Ho Chi Minh City

(Add your city here in alphabetical order after Hanoi)

[6] is doing an extensive map of Vietnam power lines and stations with a possible extension to coastal facilities and ocean satellite information. Please leave a message for potential coorperation.

Mailing list

• talk-vi

Events

• HanoiMappingParty2009

Help

Users who are ready to help beginners to contribute in Vietnam Mapping Project:

• Contact capiscuas AT gmail.com if you would like to participate and don't know how to start

Possible data sources

• The U.S. National Geospatial-Intelligence Agency has public domain country files with basic information on placenames. Nevertheless, it contains many errors and many towns are missplaced.
• The AsiaGPS forum contains many GPS traces from Vietnam and Asia. Please contact them to encourage them to release their data into OSM.

Bing imagery

Bing imagery is not well aligned on some parts of the country. Download GPS tracks to check for correct alignment. Until Bing fix it, you need to manually enter the offset in JOSM (right-click on Bing layer -> New offset).

Date, Region/City, and offset of observed misalignments:

• 2013-03, Hué, offset: 0.000126;-0.0000315

See also

• Translating OpenStreetMap into Vietnamese
• BBBike @ Thành phố Hồ Chí Minh - a cycle route planner for Thành phố Hồ Chí Minh
• OpenHistoricalMap project for South Vietnam

Quality control

Quality control with Osmose

Kaart Groundwork & Editing

Kaart conducts ground surveys for improvements to OSM data. A list of editors can be found on the Kaart wiki page.

• Mapillary imagery from the Vietnam drives can be viewed here.

Da Nang (March 2019)

Car GPS tracks driven during Kaart's ground survey in Da Nang, Vietnam. Imagery provided by Bing.

Ground Focus

• Visual collection of street names, updating street names with correct prefixes (Đường, Kiệt etc.) and syntax.
• Verification of one ways.
• Properly tagging narrow streets that are only accessible by moped/motorcycle.

Post Processing

• Adding surfaces, lanes, crossings, signals and additional geometry.
• Street name, ref and highway classification consistency.
• Adding turn lanes/restrictions and overall road connectivity.

Suggested Community Edits

• Geometry correction and addition of small, narrow roads in downtown Da Nang is heavily needed and many are innacessible by car.
• Further name verification and addition should be continued throughout the outskirts of Da Nang.

Ground survey conducted by: Velocimaptor

Hanoi (April 2019)

Car GPS tracks driven during Kaart's ground survey in Hanoi, Vietnam. Imagery provided by Bing.

Ground Focus

• Visual collection of street names, updating street names with correct prefixes (Ngõ, Ngách etc.) and syntax.
• Properly tagging narrow streets that are only accessible by moped/motorcycle.
• Clarifying one ways that allow for motorcycle/moped traffic in both directions.

Post Processing

• Adding surfaces, lanes, crossings, signals and additional geometry.
• Street name and classification consistency.
• Adding turn lanes/restrictions and conditional restrictions from signs primarily directed at limiting motorcar traffic.

Suggested Community Edits

• As with Da Nang, many narrow roads are poorly represented in OSM and inaccessible by car.
• Many neighborhoods are represented by a block naming structure rather than a street naming structure and need accurate areas drawn in.

Ground survey conducted by: Corban8, Whimsical Otter, Copernicus529, and Gr8fulDead.

Ho Chi Minh (June 2019)

Car GPS Tracks driven during Kaart's ground survey in Hồ Chí Minh. Imagery provided by Bing.

Ground Focus

• Visual collection of street names, updating street names with correct prefixes (Ngõ, Ngách Hẻm etc.) and syntax.
• Verification of one ways.
• Properly tagging narrow streets that are only accessible by moped/motorcycle.

Post Processing

• Adding surfaces, lanes, crossings, signals and additional geometry.
• Street name and classification consistency.
• Adding turn lanes/restrictions and conditional restrictions from signs primarily directed at limiting motorcar traffic.
• Improving overall road connectivity.

Suggested Community Edits

(To be determined)

Ground survey conducted by: HaleyFitz, spuddy93, AnonJason, Lskalayo, mama_bear, and pizzagal