MDOT selects Dragados and OHL to complete construction on Maryland Purple Line LRT, US November 6, 2021 | North America Company News The Maryland Department of Transportation (MDOT) has selected Dragados ACS and OHL USA to complete the construction works on the Maryland Purple Line light rail transit (LRT). The contract is yet to b... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password