觀塘道
Route 7 begins at Wan Po Road in Tseung Kwan O and travels west to Kwun Tong via the Tseung Kwan O Tunnel. It follows Sau Mau Ping Road and meets Route 2 at Kwun Tong Bypass, then branches off into Kwun Tong Road. The road becomes a viaduct until it descends onto the ground level and joining Prince Edward Road East. The viaduct continues as Route 5 along the shore.