The Blenheim Road underpass is both a physical landmark and a focal point for Rachel Watson’s broken recollections of the night Megan Hipwell disappeared. Its blocked passage recurs in nightmares, and a later return brings back a specific image: Anna Watson getting into Tom Watson’s car. The memory offers a possible clue, but its conflict with the account Rachel has been given prevents the underpass from becoming a place of certainty.

A Place in the Nightmares

Rachel’s nightmares repeatedly place her in the Blenheim Road underpass. The way back is blocked, and someone seems to be waiting there; she wakes in terror. The setting gives her fear a recurring location, but the dream’s threatening figure and obstruction do not, by themselves, establish what happened in reality.

When Scott Hipwell presses her to remember the night Megan disappeared, Rachel can recall only fragments. She thinks she was in the underpass, remembers darkness and fear, and recalls hearing voices; the thought that someone called Megan’s name immediately becomes doubtful to her, as she wonders whether it came from a dream. The underpass is thus associated with the limits of her memory as much as with the events she is trying to recover.

Returning to the Underpass

After considering Kamal Abdic’s suggestion that she return to the scene of the crime, Rachel goes to Witney and approaches the underpass deliberately rather than hurrying past it. She places her hands against the brick at its entrance and tries to recover a memory, but initially nothing comes. She remains unable to go farther and turns away.

As a woman in a deep-blue trench coat passes, the sight prompts Rachel to remember Anna in a blue dress with a black belt. In this recollection, Anna is walking away from the underpass when Tom’s red car pulls up beside her. Anna speaks to him through the window, gets into the car, and leaves with him. The remembered scene gives Rachel a concrete detail about the night that her earlier attempts to recall had not yielded.

Memory and Uncertainty

The recollection does not resolve the mystery. Rachel recognizes that it conflicts with what she was told: Tom had come looking for her in his car, Anna was said to be at home, and Anna was not in the car with him. Rachel therefore questions whether she is remembering correctly. The underpass supplies a location from which a significant memory emerges, but not independent confirmation of that memory.

Its narrative importance lies in this tension between return and doubt. The place recurs first as a frightening, blocked setting in Rachel’s dreams, then as the threshold at which she recalls Anna leaving with Tom. Rather than restoring a complete account of the night, the underpass concentrates the novel’s uncertainty around what Rachel witnessed, what she can recover, and how far a recovered image can be trusted.