The international E-road network is a numbering system for roads in Europe developed by the United Nations Economic Commission for Europe (UNECE). The network is numbered from E01 up and many its roads cross national borders. It also reaches central Asian countries like Kazakhstan, Armenia, Azerbaijan, Turkmenistan, Uzbekistan and Kygyzstan since they are members of the UNECE. (Wikipedia, E-road contract). There are 2 types of European routes:
Class A routes (major roads, which usually have significant length and cross national borders) consists of roads with numbers from E01 to E99 and odd numbers from E101 to E129 (these roads are located to the east of road E99).
Main routes of north-south general direction have numbers Ew5 or Eww5 (from E05 to E125), increasing from west to east.
Intermediate routes have the remaining odd numbers Eww (from E01 to E129 except main routes), up to 4 ones being contained between numbers of main north-south routes, inside which intermediate roads are located.
Main routes of west-east general direction have numbers En0 (from E10 to E120), increasing from north to south.
Intermediate routes have the remaining even numbers Enn (from E02 to E128 except main routes), up to 4 ones being contained between numbers of main west-east routes, inside which intermediate roads are located.
Class B routes (additional linking or transversal routes or interconnection rocades around major cities, which usually have smaller length and are situated in one country or several neighbourghing) consists of :
Routes with numbers from E130 to E999 (located to the west of main route E101); the format of these route numbers is Enwi, where
n equals the number of the closest west-east main road number En0, which is located to the north of the class B road,
w equals the number of the closest north-south main road number Ew5, which is located to the west of the class B road,
i is an index number (from 0 to 9) of the class B road within this local subgroup (the parity of this index number is normally chosen according to the general axis of direction, like class A roads, but there may be exceptions if one axis is underused and the other axis is full, or for rocades that have no general axis of direction).
Routes with numbers from E001 to E099 (located to the east of main route E101); the format of these road numbers is E0ii, they are allocated sequentially.
This page tries to track status of each of these routes.
the usage of space between the letter "E" and the number varies with country
These tags are added to the relation and not the ways. Any given way may have and likely has a national reference, tagged as a ref=* on corresponding ways. In countries where the E-number is the only one which is signed and the national number is almost unknown by the general public, use nat_ref=* for the national number and ref=* and int_ref=* for the E-number on the ways.
It is proposed to use next tags in relations for roads, which connect e-roads:
In Turkey and eastward a lot is missing - stuff west of Turkey ist mostly fine. Lisboa - Montijo - Setúbal - Evora - Caia - Badajoz - Madrid - Zaragoza - Lérida - Barcelona ... Mazara del Vallo - Alcamo - Palermo - Buonfornello Messina ... Reggio di Calabria - Catanzaro - Crotone - Sibari - Metaponto - Taranto - Brindisi ... Igoumenitsa - Ioannina - Kozani - Thessaloniki - Alexandropouli - Ipsala - Kesan - Gelibolu ... Lapseki - Bursa - Eskisehir - Sivrihisar - Ankara - Aksaray - Adana - Toprakkale - Gaziantep - S. Urfa - Nusaybin - Cizre - Habur - Iraq See also the closest class B routes E 800 - E 899 to the north, and E 900 - E 999 to the south.
↑The route description in the E-road agreement states that a missing link but this link is currently completed as a medium-grade single and dual-carriageways.
E 100 - E 129
These routes are located to the east of the north-south main route E 99. See also the class B routes E 001 - E 099, located the east of the north-south main route E 99.
Class A routes on the North-South direction (sorted from West to East)
Chelyabinsk - Kostanay - Zapadnoe - Buzuluk - Derzhavinsk - Arkalyk - Zhezkazgan - Kyzylorda - Shymkent - Tashkent - Aini - Dushanbe - Nizhny Pyanj Parts of the route in Kazakhstan have never actually been built e.g. Toksan-Bi(old_name: Zapadnoe)-Buzuluk has dead-end.
Half of road Derzhavinsk-Arkalyk never had hard surface; no traffic Arkalyk-Zhezkazgan except tourists with outaged maps, and with developing new railway it became dead-end. Please stop changing highways status if you are not aware of situation.