#2142 - Earthquake in Uganda and Tanzania, 10/09/2016 - Road Network Mapping (Archived)

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This project was archived.

Initial Earthquake project. Check instructions often, expect changes as more info comes in.

Roads only

An earthquake of magnitude 5.9 has hit the Lake Victoria basin of Northern Tanzania and Southern Uganda on September, 10th at 15.47 EAT (http://earthquake.usgs.gov/earthquakes/eventpage/us10006nkx#pager). The task of consists of tracing roads for coordinating help efforts from the government institutions and civil society initiatives of rescue. Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though some resistant structures exist.

Created by Kateregga1 - Updated - Priority: low

  Instructions

Entities to Map
ONLY ROADS
Changeset Comment
#hotosm-project-2142 #osmafrica #MissingMaps #tanzania_earthquake_2016 Road network mapping. source=DigitalGlobe
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".
Imagery

tms[19]:http://a.tiles.mapbox.com/v4/digitalglobe.n6ngnadl/{z}/{x}/{y}.png?access_token=pk.eyJ1IjoiZGlnaXRhbGdsb2JlIiwiYSI6ImNpbncxNzE4OTE1dm51a2x5dzlkMXI0eHUifQ.TPHGd-IakYZGSP1ja3WTbQ


Initial Earthquake project. Check instructions often, expect changes as more info comes in.

Road mapping tips

  • Please map roads and major paths as completely as possible.
  • Make sure a road is tagged with one of the highway= or "Road Features" tags listed below.
  • Always connect roads where they cross or one ends at another road.
  • Very short segments that do not connect to anything should not be mapped.
  • Short segments of a road or path that you cannot see through the trees but seem very likely to exist should be mapped to keep the road complete
  • Try and map a little beyond your task square so the person who maps the task square next to yours can easily connect them.
  • Always connect roads to other roads where they meet and never end roads on Residential area polygon edges.

Commonly used tags

Road tags:

highway=primary Primary roads connect medium and large cities, at least two lanes in each direction, usually separated by a physical feature.
highway=secondary Secondary roads connect medium and large cities, at least two lanes in each direction without physical separation.
highway=tertiary Tertiary roads connect villages and major streets in towns of some importance
highway=unclassified minor roads is used for roads connecting villages and hamlets
highway=residential is used for for roads within a town or village

For more information, please visit: http://wiki.openstreetmap.org/wiki/Highway_Tag_Africa.

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