And before you ask…
These are the rough guidelines. There could be roads that doesn’t conform to these guidelines.
motorway:
highway, blue signs.
e.g. Road 20 (Ayalon), Road 5 between Glilot and Kesem, road 1 between Tel Aviv and Shaar HaGai, etc.
trunk:
Main roads, green signs.
e.g. Road 1 between Shaar HaGai and Jerusalem, Road 4 north of Holon
Usually 1-digit ref numbers.
primary:
Main roads, usually 2-digits ref numbers.
secondary:
usually 3-digits ref numbers.
tertiary:
usually 4-digits ref numbers.
Also: main roads in residential areas, and roads leading to villages.
unclassified:
Smaller paved roads in non-residential places.
e.g. agricultural roads, forest roads, roads from behind one village to behind another village, etc.
residential:
Roads in residential places (city, town, village, etc.)
service:
Roads in parking lots, fuel stations, inside universities, inside factories, etc.
track:
unpaved Double.
path:
unpaved Single.
footway:
where people walk between roads in residential areas (like “path” outside of residential areas)
pedestrian:
where people walk and there are many shops. Like “Midrahov”, or “Passage”, etc.
living_street:
“Rehov Holandi”
road:
Temporary tagging, if the type is unknown. try to add a “note” tag.
talkat.