International transport agreements adopted by each State:
http://www.unece.org/trans/maps/number-of-un-transport-conventions-and-agreements-per-country.html
SPAIN: 26 TRANSPORT AGREEMENTS:
1958 – Customs Convention on the temporary importation of commercial road vehicles, May 18, 1956
1958 – Convention on Customs Facilities for Touring, signed in New York on June 4, 1954
1958 – Customs Convention on the temporary importation of private road vehicles, signed in New York on June 4, 1954
1958 – Additional Protocol to the Convention on Customs Facilities for Tourism, concerning the importation of documents and tourist propaganda material, signed in New York on June 4, 1954
1958 – Customs Convention on the temporary importation for private use of aircraft and pleasure boats, May 18, 1956
1958 – Convention on Road Traffic, September 19, 1949
1958 – Protocol on road signs, September 19, 1949
1959 – Customs Convention on Containers, May 18, 1956
1960 – European Agreement supplementing the 1949 Convention on Road Traffic and the 1949 Protocol on Road Signs, September 16, 1950
1960 – Declaration on the construction of major international traffic arteries, September 16, 1950
1961 – Customs Convention on the International Transport of Goods under cover of TIR Carnets (TIR Convention), January 15, 1959
1961 – European Agreement on Road Signs, December 13, 1957
1961 – Agreement on the adoption of technical prescriptions for wheeled vehicles and equipment and parts which can be fitted and/or used on wheeled vehicles and the conditions for reciprocal recognition of approvals granted on the basis of these prescriptions, March 20, 1958
1962 – International Convention to Facilitate the Crossing of Frontiers for Goods Carried by Rail, January 10, 1952
1972 – Agreement on the International Carriage of Perishable Foodstuffs and on the Special Vehicles used for such Carriage (ATP), September 1, 1970
1972 – European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR), September 30, 1957
1973 – European Convention on Customs Treatment of Pallets used in International Transport, December 9, 1960
1973 – European Agreement concerning the Work of Crews of Vehicles engaged in International Road Transport (AETR), July 1, 1970 (Revised text dated September 20, 2010)
1974 – Convention on the Contract for the International Carriage of Goods by Road (CMR), May 19, 1956
1975 – Customs Convention on Containers, December 2, 1972
1982 – Customs Convention on the International Transport of Goods under cover of TIR Carnets (TIR Convention), November 14, 1975
1982 – Protocol to the Convention on the Contract for the International Carriage of Goods by Road (CMR), July 5, 1978
1984 – International Convention on the Harmonization of Frontier Controls of Goods, October 21, 1982
1994 – Amendment Protocol to Article 1 (one), Section 14 (1) and Article 14 (3) (b) of the European Agreement of September 30, 1957, concerning the International Carriage of Dangerous Goods by Road (ADR), October 28, 1993
2002 – Agreement concerning the establishing of Global Technical Regulations for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or Used on Wheeled Vehicles, June 25, 1998
2011 – Additional Protocol to the remittance of CMR consignment notes regarding electronic (e-CMR)