Citation of sources

Choa Chu Kang: http://en.wikipedia.org/wiki/Choa_Chu_Kang

Lot 1:  http://en.wikipedia.org/wiki/Lot_One

Ten Mile Junction: http://en.wikipedia.org/wiki/Ten_Mile_Junction

Pictures: GoogleMaps, Google Images and http://www.streetdirectory.com/travel_guide/singapore/singapore_district/249/mohammed_sultan.php