Complex sentence: After 2008, it became an alternate to the gondola for transitioning from Peak 8 to the Peak 7 base area, then in 2013 became the primary way to access Peak 6 via Columbine, the Peak 6 Parkway, and the Zendo lift.
Split into simpler sentences: After 2008, it also became an alternate way of transitioning from Peak 8 to the Peak 7 base area in addition to the gondola. In 2013, it also became the primary way to access Peak 6 via Columbine, the Peak 6 Parkway, and the Zendo lift.