Complex sentence: It is the resort's fourth six pack, and increased the lift's uphill capacity from 2,800 people per hour to 3,600 people per hour, easing congestion on Peak 8, especially during the early season when it is the sole intermediate terrain lift open.
Split into simpler sentences: It is the resort's fourth six pack, and increased the lift's uphill capacity from 2,800 people per hour to 3,600 people per hour. This is especially useful during the early season when it is the sole intermediate terrain lift open.