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Collection: National Map Line

Dataset: National Map Line

EnvironmentGeospatial

National Map Line

Data from Aug 2025

Last updated: 13 Nov 2025, 11:25 SGT

SLA (Singapore Land Authority)

This dataset contains major features for national map data sharing that are represented in polyline form. Data includes road data like expressway, major roads, international boundary and contour lines.

Attribute Legend

AttributesData TypeDescription
OBJECTIDNumeric-
NAMENumeric-
FOLDERPATHText-
SYMBOLIDNumeric-
INC_CRCText-
FMEL_UPD_DNumeric-
SHAPE.LENNumeric-

Dataset preview

This code can be used to view the raw JSON dataset for National Map Line. Large datasets may be truncated in the preview. Please download the dataset for complete data.

{
	"type" : "FeatureCollection",
	"name" : "SINGAPOREMAP_LINE",
	"features" : [
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.8002163190378, 1.4565946000255832, 0 ],
					[ 103.80049028068069, 1.4566647419679275, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28678,
				"NAME" : "ADMIRALTY ROAD WEST",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "4781B067CC08E097",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 31.458568530847
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.80296571989908, 1.4501937557621383, 0 ],
					[ 103.80290605096567, 1.4503303066142428, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28679,
				"NAME" : "GAMBAS AVENUE",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "C931D02F389C33A7",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 16.4947094742526
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.80282485815148, 1.4505100586183675, 0 ],
					[ 103.80290605096567, 1.4503303066142428, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28680,
				"NAME" : "WOODLANDS AVENUE 8",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "2881CE1365A4851E",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 21.8334185477217
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.63879232983285, 1.3305846802872183, 0 ],
					[ 103.63854256298818, 1.3303248823339242, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28681,
				"NAME" : "TUAS WEST ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "DA2E3E227A17436F",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 39.9738691049541
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.63890428086454, 1.3307033311663483, 0 ],
					[ 103.63897046374241, 1.3307592068308367, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28682,
				"NAME" : "TUAS WEST ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "02EE701B8BC0DC03",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 9.61376119996747
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.63908461765122, 1.3302854437187257, 0 ],
					[ 103.63879232983285, 1.3305846802872183, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28683,
				"NAME" : "PIONEER ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "CFB709003D5DDE97",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 46.3999432228101
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.69510895684853, 1.3738952350883342, 0 ],
					[ 103.69514904443066, 1.37405662798611, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28684,
				"NAME" : "LIM CHU KANG ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "47AE73CAA5BFFE8C",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 18.3952357671762
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.6950598347222, 1.3737083893110238, 0 ],
					[ 103.69510895684853, 1.3738952350883342, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28685,
				"NAME" : "JALAN BAHAR",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "67F004B2D250BB44",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 21.3715183000647
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.69503298320915, 1.3572552553836508, 0 ],
					[ 103.69521186297456, 1.357047241669702, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28686,
				"NAME" : "JALAN BAHAR",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "4DA8C459D2D583D0",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 30.4196423596662
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.69477812556156, 1.357665754003571, 0 ],
					[ 103.69489329574628, 1.3574526532279383, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28687,
				"NAME" : "JALAN BAHAR",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "469504B9A0CB8E17",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 26.8239757865981
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.69282797305914, 1.3648214065742676, 0 ],
					[ 103.69288825434333, 1.3649900599887705, 0 ],
					[ 103.69345481865513, 1.3660372978392405, 0 ],
					[ 103.69372159108018, 1.3666169703577846, 0 ],
					[ 103.69390971977965, 1.3672812024041507, 0 ],
					[ 103.69398536281228, 1.3677973196665523, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28688,
				"NAME" : "JALAN BAHAR",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "0917EB4B2FB9C8E3",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 356.370434524023
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.7588687791485, 1.3307598651270138, 0 ],
					[ 103.75882512400581, 1.3306911185854275, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28669,
				"NAME" : "TOH TUCK AVENUE",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "7939619A73342A75",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 9.02157393196996
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.89914004805829, 1.3441193126092132, 0 ],
					[ 103.89914005009949, 1.3441955640497127, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28670,
				"NAME" : "AIRPORT ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "1CC44A7DB4A4C7EB",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 8.4315
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.80218305674943, 1.2729087305827382, 0 ],
					[ 103.80219029815633, 1.272824653678323, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28671,
				"NAME" : "ALEXANDRA ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "F1BCB3744975319F",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 9.33165600951942
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.88876910144421, 1.334317953367274, 0 ],
					[ 103.88889089216036, 1.3338914163057651, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28672,
				"NAME" : "UPPER PAYA LEBAR ROAD",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "88B636D8CABEEA2F",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 49.0732476203685
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.86107462442406, 1.377297353235081, 0 ],
					[ 103.86096977586567, 1.3772661330981473, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28673,
				"NAME" : "ANG MO KIO AVENUE 5",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "3D05F4309C81C4EC",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 12.1683030936939
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.86107462442406, 1.377297353235081, 0 ],
					[ 103.86116487740695, 1.377323747851919, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28674,
				"NAME" : "ANG MO KIO AVENUE 5",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "6D643C0019D1E90F",
				"FMEL_UPD_D" : "20260226150407",
				"SHAPE.LEN" : 10.4594811386608
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.82579531161936, 1.4593150167855056, 0 ],
					[ 103.82553665391538, 1.459230825979677, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28675,
				"NAME" : "ADMIRALTY ROAD WEST",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "47F17DE656C67668",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 30.2523511458201
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.82604082281091, 1.459381632116801, 0 ],
					[ 103.8257971438725, 1.459315613671642, 0 ],
					[ 103.82579531161936, 1.4593150167855056, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28676,
				"NAME" : "ADMIRALTY ROAD WEST",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "C4F68DDE18B045DA",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 28.2971813843593
			}
		},
		{
			"type" : "Feature",
			"geometry" : {
				"type" : "LineString",
				"coordinates" : [
					[ 103.80070563115369, 1.4567186587434406, 0 ],
					[ 103.80049028068069, 1.4566647419679275, 0 ]
				]
			},
			"properties" : {
				"OBJECTID" : 28677,
				"NAME" : "ADMIRALTY ROAD WEST",
				"FOLDERPATH" : "Layers/Major_Road",
				"SYMBOLID" : 3,
				"INC_CRC" : "0FF220188128D028",
				"FMEL_UPD_D" : "20260226150406",
				"SHAPE.LEN" : 24.6954550527015
			}
		},
		{
			"type" : "Feature",

Sample OpenAPI query

This code can be used to test a sample API query. It retrieves the data catalogue of this dataset. For a complete guide on query parameters and syntax, please refer to the API documentation

import requests
          
dataset_id = "d_10480c0b59e65663dfae1028ff4aa8bb"
url = "https://api-open.data.gov.sg/v1/public/api/datasets/" + dataset_id + "/poll-download"
        
response = requests.get(url)
json_data = response.json()
if json_data['code'] != 0:
    print(json_data['errMsg'])
    exit(1)

url = json_data['data']['url']
response = requests.get(url)
print(response.text)

Citation

This dataset can be reused and cited in research publications.

Singapore Land Authority. (2017). National Map Line (2025) [Dataset]. data.gov.sg. Retrieved April 7, 2026 from https://data.gov.sg/datasets/d_10480c0b59e65663dfae1028ff4aa8bb/view

About this dataset

Contact

SLA_CDO_Office@sla.gov.sg

Created on

19 Jun 2017

Licence

Free forever for personal or commercial use, under the Open Data Licence.

Agency

SLA (Singapore Land Authority)