GRID3 Travel Time Friction Surface v1.0 (Nigeria)

Name: GRID3 Travel Time Friction Surface v1.0 (Nigeria)
Creator: GRID3 (CIESIN, Columbia University)
License: https://creativecommons.org/licenses/by-sa/4.0/

GRID3 (CIESIN, Columbia University)

License: Share-alike
Commercial: Yes
Format: GeoTIFF
Coverage: Nigeria
Resolution: 30 m

Last updated: 6 Nov 2025 · Update frequency Static

Source and attribution

Publisher

GRID3 (CIESIN, Columbia University)

License

Share-alike

Commercial use: Yes
Attribution required: Yes
Modification allowed: Yes
Redistribution allowed: Yes
Share-alike: Yes

Data Release Notes (PDF), Data license: “The data and accompanying document are licensed under a Creative Commons Attribution-ShareAlike 4.0 International, CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)”. Terms of use: “Users are free to download, store, access, use, copy, adapt, transform, alter, arrange, build upon, distribute and transmit this work and any derivative works.” HDX licence field: “Creative Commons Attribution Share-Alike (CC BY-SA)”.License text

Region

AfricaNG

Type

Raster

Time

2010-01-01–2025-08-31

Download

Mixed walking and motorized friction (minutes per meter) (GeoTIFF zip, 3.22 GB)Walking-only friction (minutes per meter) (GeoTIFF zip, 3.37 GB)Data Release Notes (PDF, 285 KB)

Extent

2.674.2714.6813.89West, south, east, north. Data extent.

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