Indonesia:Tags/Highway

Also see the more complete and up to date suggestions at Indonesian Tagging Guidelines

Official class	ref=*	OpenStreetMap Tag	Description	Tagging guidelines
Major Roads
Jalan Tol/Tolled Freeways/Highways	Cannot use ref=*.	highway=motorway	Divided tolled highways with a minimum of 2 lanes in each direction (some only 1x2), completely access-controlled, NO at-grade intersections, and designed for high-speed travel by vehicles. Motorcycles and motor rickshaw (bajaj) are banned.	Use name=* for naming the toll road. DON'T USE ref=*!
National Roads	N	highway=trunk	Either divided or undivided highways with at-grade intersections. No tolls, and most of them are built in the 19th century. Most of them are part of the Asian Highway Network.	Don't use motorroad=*. All national roads in Indonesia have at-grade junctions/intersections.
State Roads.	PROV	highway=primary	Newly-built undivided highways connecting major cities intra-state.	see tagging guidelines for National Roads
Regency/City roads	KABUPATEN/KOTA	highway=secondary	Roads that connect destinations intra-city/regency, and most of them aren't signed yet (still named).	N/A
Urban Roads -- some can't use ref=*
Arterials	KABUPATEN/KOTA if the road is part of the city/regency road network	highway=tertiary	Avenues, boulevards etc.	N/A
Unnumbered non-arterial roads and residential roads	N/A	highway=unclassified and highway=residential	Named roads, or roads that crosses residential areas.	N/A