Complex sentence: Universal Express Pass--commonly referred to as "Universal Express" on park signage, and as "Express Pass" by team members and guests--admits users to a separate line for the attraction, which is given priority status when boarding.
Split into simpler sentences: Universal Express Pass is referred to as "Universal Express" on park signage, and as "Express Pass" by team members and guests. This pass admits users to a separate line for the attraction, which is given priority status when boarding.