Complex sentence: A new maintenance barn was proposed to be built at Occidental Park to allow the resumption of operations, however, the new maintenance barn has still yet to be approved and portions of the track have already been paved over.
Split into simpler sentences: A new maintenance barn was proposed to be built at Occidental Park to allow the resumption of operations. However, the new maintenance barn has still yet to be approved and portions of the track have already been paved over.