Final answer:
Mrs. Drover plans to walk to the nearby Marborough Hotel from where she will catch a taxicab to the train station in time for her train which departs at one o'clock.
Step-by-step explanation:
Mrs. Drover plans to get to the train station by walking two blocks to the Marborough Hotel, where she can easily get a taxicab. This location provides her with a straightforward means of securing transportation to the train station well in advance of her train's departure at one o'clock.
Mrs. Drover’s method of transport to the train station not only reflects the practicalities of urban travel but also seems to offer a glimpse into her character and circumstances.