The series of roads passes through the areas of Queenstown , Bukit Timah , Central Catchment Nature Reserve , Bishan , Toa Payoh , Geylang and Tampines .
It starts as Portsdown Avenue in Queenstown and ends as Tampines Avenue 10 in Tampines .
The series of roads passes through the areas of Queenstown , Bukit Timah , Central Catchment Nature Reserve , Bishan , Toa Payoh , Geylang and Tampines .
It starts as Portsdown Avenue in Queenstown and ends as Tampines Avenue 10 in Tampines .