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Table 2 Change of road length, by road class

From: Drivers of changes in Spanish accessibility for the 1960–2010 period

Road class Travel speed (Km/h) 1960 1970–1960 1980–1970 1990–1980 2000–1990 2010–2000
Km ΔKm Δ% ΔKm Δ% ΔKm Δ% ΔKm Δ% ΔKm Δ%
Highway 120 0 200 20,000 2049 1024 2259 100 3815 84 5745 69.03
Main roads 90 20,545 -68 -0.33 -248 -1.21 -1928 -9.53 -2588 -14 -3382 -21.52
Second. roads 70 19,919 -5 -0.03 -665 -3.34 -211 -1.10 -501 -2.63 -1446 -7.80