The collection captures the fragmented experience of displacement and the search for identity within the urban landscape. Szirtes navigates the tension between his Hungarian heritage and his life in England, utilizing the metaphor of the metro to explore themes of transit, memory, and cultural dislocation. The poems function as a series of observations on the shifting nature of home and the linguistic barriers faced by the immigrant experience. The narrative framework relies on lyrical precision and rhythmic shifts to mirror the mechanical and psychological movement of city life.

Readers and critics frequently note the technical proficiency and formal control present in Szirtes's work. Discussion often centers on his ability to bridge two distinct cultural landscapes through evocative and precise imagery. Many highlight the collection's success in articulating the specific anxieties of the displaced individual without resorting to sentimentality. The pacing is described as deliberate, allowing the reader to inhabit the atmosphere of the urban settings he constructs. Overall, the work is recognized for its contribution to contemporary poetry regarding the themes of exile and belonging.