Table 2 Open Street Map (OSM) road categories provided in the data downloads from OSM and Map with AI.
OSM Roads Feature Class | Count (Total) | Notes (Ministry of Works and Transport - The Republic of Uganda, 2012; Ramm, 2019; OpenStreetMap, 2020) | Walking Speed (km/h) |
|---|---|---|---|
motorway | 105 | A restricted access major divided highway, normally with 2 or more lanes plus emergency hard shoulder. | 5.0 |
motorway_link | 20 | Connecting slip road/ramp | 5.0 |
Trunk & Trunk_link | 370 + 91 | A main road with a motorway-like layout with multiple lanes which is restricted to motorised vehicles. Unlike motorways, trunk roads might have crossings or traffic lights. Their surface is always tarmacked. | 5.0 |
Primary & primary_link | 973 + 57 | National roads connect the most important cities/towns in a country. These may be tarmacked and show centre markings. | 5.0 |
Secondary & secondary_link | 1991 + 47 | Major transportation routes connecting cities and large towns. May be tarmacked but often not. | 4.5 |
Tertiary & Tertiary_link | 5460 + 62 | These are busy through roads that link smaller towns and larger villages. Most often unpaved, but wide enough to allow two cars to pass safely. | 4.5 |
residential | 483527 | Roads lined with housing in urban or village areas and where roads do not serve a through connection function. | 4.0 |
unclassified | 179029 | Minor collector roads that link settlements. These roads are usually unpaved and are only wide enough for one vehicle. Primarily in rural areas and outside of inhabited places, though unclassified roads can be used to link suburbs in a city or town. | 3.5 |
track | 80217 | This tag is usually used for roads providing access to agricultural or forestry facilities. In Africa, roads within National Parks mostly qualify as tracks too. | 3.5 |
track_grade1-5 | 644 | Solid, usually paved or sealed | 3.5 |
service | 14557 | Driveways, entrances, private roads, service roads for industry etc | 3.5 |
Bridleway & cycleway | 38 | Visual inspection shows no specific features to identify as bridleway | 3.5 |
living_street | 325 | Streets where pedestrians have priority | 4.0 |
pedestrian | 121 | Pedestrian only streets | 4.0 |
path | 153656 | Paths are usually impassable for motorised vehicles but may be passable by motorcycles. | 3.5 |
footway | 8857 | Pedestrian only, separated from parallel highway for vehicles. Can often be obstructed by traders and motor vehicles. | 3.5 |
steps | 176 | Pedestrian only by nature | 3.5 |
unknown | 1507 | Unknown type | 3.5 |
