From the first stanza:
* "Black blood of birds blood black as blackest black" (repeating "b" sound)
* "Three thousand towns of toiling men" (repeating "t" sound)
* "He had a horse and a hat and a huddle of hollow horseshoes" (repeating "h" sound)
From other stanzas:
* "Sleepless summer sun sun sleepless summer sun" (repeating "s" sound)
* "Gallant gentleman, good good gallant gentleman" (repeating "g" sound)
* "Whistled a wild whistle" (repeating "w" sound)
* "From farthing to five french francs" (repeating "f" sound)
* "To tell the truth for three thousand towns" (repeating "t" sound)
Alliteration helps to create a sense of rhythm and emphasis in the poem. It is particularly effective in this poem, which is full of vivid imagery and sound effects.
Note: There are many more examples of alliteration in "The Highwayman". These are just a few of the most noticeable.