This map shows the mainly HDB housing estate of Lorong Ah Soo, a major trunk road Hougang Avenue 3 and Defu Industrial Estate (right side of map).
Lorong Ah Soo runs east-west from Upper Paya Lebar Road to Hougang Avenue 1 and Hougang Avenue 3. HDB flats are found north and south of Lor Ah Soo, as well as along Hougang Ave 1, up to Hougang Ave 3.
On the upper edge of the map is the southern part of the private housing estate Charlton/Aroozoo Park. Roads found here are Jalan Pelikat (where Pelikat Mansion, a walk-up apartment, is located), Jalan Mustali and Jalan Tenon.
The lower-left corner shows part of Tai Keng Gardens private housing estate (mostly landed/terrace) and Ah Soo Walk/Garden, a small cluster of landed and low-rise houses.
On the right side of the map is the industrial estate of Defu, populated with light industries, workshops, and warehouses. The main thoroughfare, Defu Avenue 1, runs from a junction with the lower part of Hougang Ave 3 in the south, to meet Tampines Road (near Hougang Ave 7) in the north.