Complex sentence: To accelerate construction, a branch was opened from May 28 station to Khatai in 1968, and in 1976 in the opposite direction towards Nizami, thus the second and first line used the same station (May 28).
Split into simpler sentences: To accelerate construction, a branch was opened from May 28 station to Khatai in 1968, and in 1976 in the opposite direction towards Nizami. The second and first line used the same station (May 28).