Proposal for REVS four-lane toll ring road 4 km-long to be excavated beneath Calle Serrano and under the Paseo de la Castellana with links to toll motorways. Extensive underground carparks and 100 km of tunnelling for associated works down to 50 m-depth. Value estimated at Pta320 billion. February 1999.
Vigiconsult SA undertaking preliminary design work which will include 50,000 parking places. Government backing secured and finance to be raised by public share offering by Ministry of Transport. August 1999.
