SCT awards viaduct contract for Guadalajara LRT Line 3, funds Mexico City metro Line 12 expansion May 26, 2014 | Latin America Company News The Secretariat of Communications and Transport for Mexico (SCT) has awarded the contract for the construction of the 8.7-km long first viaduct (Periferico-Zapopan-Federalismo) on Line 3 of the Guadal... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password