1. The single-deckers became known appropriately as railcoaches, a name which placed them firmly to the forefront of modern transport.

2. In 1968 the fleet was renumbered, with single-deckers taking 600-series numbers and double-deckers 700-series.

3. A single-decker yellow-and-black bus was travelling fast in the inside lane, its headlights dipped and no traffic immediately in front of it.

4. In the past, their were only single-decker buses.

5. This is a single-decker hamburger, whereas the Big Boy is a double-decker. This has a much more satisfying meat-to-bun-to-condiment ratio.

6. They go to work by car, on green single-decker buses.

7. In the past, there were only single-decker buses. Nowadays, some buses are double-decker buses.

8. With the stairs enclosed by wooden shutters, they could operate in bad weather as single-deckers.

9. To go one step further, the Singapore Government extend the lifespan of the public buses, SBS decided to refurbish and fitted air-con. unit on the aging conventional single-decker.