This 14 km (8.7 mi) expressway connects Sungai Dua in the north until Perai in the south.

This highway is built to reduce the heavy traffic on the Sungai Dua–Juru NSE in the rushing hours and the holiday seasons.

Nowadays, it is also used by residents in the Raja Uda area to head to Perai and the Megamall Pinang.

The people of Raja Uda area can also travel on the highway to head to the Sunway Carnival Mall.

With just one toll payment, this highway will bring motorists from both the south and the north to the ferry terminal for onward faster and cheaper ferry-crossing to Penang since the Penang Bridge faces heavy traffic congestion.