Under the road

Source A: an original contemporary non-fiction-style account.

I joined the maintenance team at the entrance to the pedestrian tunnel after the morning rush. The supervisor explained that we would inspect the drainage channel and replace two damaged lights. Above us, cars moved along a road I used every week. I had thought of the tunnel mainly as a shortcut beneath them. Standing at its entrance with borrowed boots and a lamp, I began to see it as a place somebody had to examine carefully so that other people could pass through without examining it at all.

Inside, traffic became a low continuous pressure in the ceiling. The tunnel swallowed ordinary voices and returned them larger, less private. Water threaded the wall in narrow shining lines, meeting at the floor where grit had gathered into dark seams. Each footstep disturbed a small echo that travelled ahead like an impatient companion. Under the failed light, the white tiles turned the colour of old teeth. The passage was familiar in outline and oddly unfamiliar in every detail I had previously hurried past.

The team worked without sharing my sense of drama. A cover was lifted, a channel cleared, a lamp tested. Their tools made precise interruptions in the tunnel's dull roar. When the new light came on, it did not banish all the shadows; it made the steps and the edge of the drain distinct. That modest clarity changed the passage more usefully than my imagination had. The water found its route again, slipping through the cleared opening with a briskness that made the earlier puddle seem less like an atmosphere and more like a blockage.

We emerged into daylight carrying the damaged fittings and a bag of debris. Pedestrians were already entering behind us. Most would not know what had changed. I had once taken that lack of notice as evidence that maintenance was uninteresting. Now it looked rather like the point: work completed so that nobody needed to think about a drain while trying to reach the other side of the road.

Refer only to the second and third paragraphs of Source A. Analyse how the writer uses language to present the tunnel and the effect of the maintenance work. Support your answer with evidence from these paragraphs.