The upper passage led at right angles to left and right from the top of the straight staircase.

Carrying luggage and champagne, I barely made it up the 39-step straight staircase hung off the ship's starboard side.

It led to a straight staircase, whose first flight ended on a landing.

At the southwest end, a straight staircase and one upward escalator lead to the southwest entrance level.

Fortunately, it was a straight staircase, and somehow I was able to stumble down it.

Then she turned, marching through the living room and up the straight, narrow staircase.

The building consisted of a central pavilion housing a straight staircase, and two wings with a pavilion at each end.

It was a straight staircase, but completely dark.

Those buses have a straight staircase to facilitate passengers who wish to or are riding on the upper deck.

Like the Enviro400 with straight staircase, the shape of fuel tank was specifically adopted to be mounted under the staircase.