List of OECD countries by road network size

The Organisation for Economic Co-operation and Development

Organisation for Economic Co-operation and Development

The Organisation for Economic Co-operation and Development is an international economic organisation of 34 countries founded in 1961 to stimulate economic progress and world trade...

(OECD) countries below are listed by the size of their motorway network and public road

Road

A road is a thoroughfare, route, or way on land between two places, which typically has been paved or otherwise improved to allow travel by some conveyance, including a horse, cart, or motor vehicle. Roads consist of one, or sometimes two, roadways each with one or more lanes and also any...

network.

Definitions

The OECD has defined a road to be:

Definition:

Line of communication (travelled way) using a stabilized base other than rails or air strips open to public traffic, primarily for the use of road motor vehicles running on their own wheels.

Context:

Included are bridges, tunnels, supporting structures, junctions, crossings and interchanges. Toll roads are also included. Excluded are dedicated cycle paths.

The OECD has defined a motorway as:

French Equivalent: Autoroute

Road

, specially designed and built for motor traffic

Traffic

Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel...

, which does not serve properties bordering on it, and which:

(a) is provided, except at special points or temporarily, with separate carriageways

Dual carriageway

A dual carriageway is a class of highway with two carriageways for traffic travelling in opposite directions separated by a central reservation...

for the two directions of traffic, separated

Grade separation

Grade separation is the method of aligning a junction of two or more transport axes at different heights so that they will not disrupt the traffic flow on other transit routes when they cross each other. The composition of such transport axes does not have to be uniform; it can consist of a...

from each other, either by a dividing strip not intended for traffic, or exceptionally by other means;

(b) does not cross

Interchange (road)

In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...

at level with any road, railway or tramway track, or footpath;

Entry and exit lanes of motorways are included irrespectively of the location of the sign-posts. Urban motorways are also included.

See List of highway systems with full control of access and no cross traffic.

Tables

The tables show the total network length, per capita length, and density.

Motorway network

Total network length of all motorways (km)	Length of motorways per capita (mm)	Motorway density (m of motorway per square km)
2,135	257.79	25.46
1763	167.73	54.17
16,900	534.59	1.69
1,050	100.31	13.31
1,340	236.04	31.09
739	140.60	2.19
10,843	176.2	19.67
12,363	149.97	34.63
3,555	60.41	15.46
1,113	111.3	11.96
0	0	0
663	149.9	9.43
6,487	112.06	21.53
7,383	57.79	19.54
3,117	64.27	31.29
147	319.57	56.84

2,274	139.01	54.76
171	41.3	0.64
194	41.81	0.6
1,481	38.76	4.59
2,647	249.32	28.65
580	107.4	11.83
10,286	228.5	20.4
1,740	192.31	3.87
1,361	182.46	32.97
2,100	25.83	2.61
75,008	253.05	7.79

Total road network

Total network length of all public roads (km)	Length of public roads per capita (m)	Road density (m of road per square km)
810,624	39.16	105
106,962	12.91	1275
152,256	14.49	4678
1,408,800	44.56	141
55,510	5.42	704
72,411	12.76	1680
79,132	15.06	234
1,000,960	16.27	1816
644,480	7.82	1805
398,350	6.77	1733
180,994	17.92	1945
12,869	28.84	125
95,752	22.58	1352
17,686	2.51	801
1,192,972	9.34	3157
102,293	2.11	1027
2,894	6.29	1119
366,095	3.26	186
117,430	7.18	2828
93,460	22.57	347
92,863	20.01	287
382,615	10.04	1186
20,236	10.07	998
666,204	15.15	1320
215,000	23.76	478
426,951	5.48	554
6,430,351	21.69	668

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