In 1991, the Kohat-Thal section was made abandoned by Pakistan Railways because it was narrow gauge.
Khushalgarh had been connected in 1881 by a short 11 kilometers (6.8 mi) broad gauge spur line to Jand Junction on the North Western State Railway mainline (now called the Kotri–Attock Railway Line).
[2] In April 1889, the Khushalgarh–Kohat section was first surveyed as a broad gauge line and in March 1901, a decision was made that no bridge would be built over the Indus river at Khushalgarh.
The line was constructed from the right bank of the Indus facing Khushalgarh to Kohat, a distance of about 48 kilometers (30 mi) and opened in May 1902[2] The Kohat-Thal extension of 100 kilometers (62 mi) from Kohat through the Kohat Pass up the Miranzai Valley to Thall was opened in stages between March 1901 and reached Thall in April 1903.
[3] In 1903, an accident closed the ropeway over the Indus river and a boat bridge replaced it.