| Highway S–31 | |
|---|---|
| Mehran Highway مهران شاہراہ مِهِراڻ ُ هاءِوي | |
 | |
| Route information | |
| Maintained by Sindh Highways Department | |
| Length | 163 km[1] (101 mi) |
| Major junctions | |
| North end |  at Khairpur(near Therhi) |
| South end |  at Nawabshah |
| Location | |
| Country | Pakistan |
| Major cities | Daur Bandhi Kot Lalu Thari Mirwah Ranipur |
| Highway system | |
Mehran Highway (Sindhi: مِهِراڻ ُ هاءِوي, Urdu: مهران شاہراہ, also known locally as Nawabshah–Kot Lalu–Kumb Road and officially as Highway 31) is a two-lane-wide, bidirectional, single carriageway, provincially maintained highway in Sindh that extends from Khairpur to Nawabshah. The route is generally rural, passing near several smaller towns including Daur and Bandhi in Shaheed Benazir Abad District and Kot Lalu, Pacca Chang, Karoondi, Sui Gas, and Ranipur in Khairpur District. The northern terminus merges with the N-5 National Highway at Ranipur while the southern terminus merges with N-305 National Highway at Zero Point Nawabshah.