Complex sentence: As part of the Northwest Hillsborough Expressway, an endeavor by the Tampa-Hillsborough Expressway Authority, the Veterans Expressway was supposed to have been a beltway bypassing Tampa from the northwest.
Split into simpler sentences: As part of the Northwest Hillsborough Expressway, an endeavor by the Tampa-Hillsborough Expressway Authority. The Veterans Expressway was supposed to have been a beltway bypassing Tampa from the northwest.