sentences:  As of 2011, TxDOT is currently constructing an interchange at State Highway 359.An additional interchange at Clark Boulevard, Texas State Highway Spur 400, has been announced by the City of Laredo.The Cuatro Vientos Road portion of the route is designed for future expansion to a freeway throughout, as well as an extension to the south to U.S. 83 in the vicinity of Rio Bravo, possibly connecting to a future international bridge.