Prachim Ratthaya Expressway
| Prachim Ratthaya Expressway ทางพิเศษประจิมรัถยา | |
|---|---|
| Si Rat–Outer Ring Road Expressway ทางพิเศษสายศรีรัช–วงแหวนรอบนอกกรุงเทพมหานคร | |
| Route information | |
| Maintained by Bangkok Expressway and Metro | |
| Length | 16.7 km (10.4 mi) |
| Existed | 22 August 2016–present |
| Major junctions | |
| West end | Outer Ring Road (West) (Kanchanaphisek Road) |
| East end | Si Rat Expressway |
| Location | |
| Country | Thailand |
| Highway system | |
The Prachim Ratthaya Expressway (Thai: ทางพิเศษประจิมรัถยา), also known as the Si Rat–Outer Ring Road Expressway (Thai: ทางพิเศษสายศรีรัช–วงแหวนรอบนอกกรุงเทพมหานคร), is an expressway in Thailand, located in Bangkok and Nonthaburi province. The expressway is a controlled-access toll road.