The Hefei–Nanjing railway also known as the Hening railway (simplified Chinese: 合宁铁路; traditional Chinese: 合寧鐵路; pinyin: Hé-Níng Tiělù) is a railway line in China, running from Hefei to Nanjing at 250 km/h (155 mph). The line is 166 km (103 mi) long and began service on April 18, 2008. High-speed trains on the line reduced travel time between Nanjing and Hefei from over three hours to 1.5 hours. The Hening Line forms part of the high-speed Shanghai–Wuhan–Chengdu high-speed railway from Shanghai to Chengdu and the easternmost section of the Nanjing–Xi'an Railway.
|Line length||156 km (97 mi)|
|Track gauge||1,435 mm (4 ft 8+1⁄2 in)|
|Electrification||50 Hz 25,000 V|
|Operating speed||250 km (160 mi).|