carreteran.

1845 R. Ford Hand-bk. Travellers in Spain I. i. 12 The cross roads and minor roads of Spain are bad... They are divided into those which are practicable for wheel-carriages, ‘camino carretero’, ‘de carruage’, ‘carretera’, and those which are only bridle-roads.]

1900 Engin. Mag. 19 683 A carretera, or macadamized road is the ‘best road’ or route of the ‘fast mail’ in Porto Rico.

1923 Blackwood's Mag. Aug. 178/1 The extreme provincialism of the Spanish carratera.

1924 Blackwood's Mag. June 804/2 Very pretty they look sailing slowly along the dusty carretara to do the day's marketing.

1958 L. R. Muirhead Blue Guide to Northern Spain (ed. 2) p. cxlii Apart from the Carreteras Nacionales, however, many of the roads are stony and often under repair.