No, it is not. It is a noun, meaning a street or path, sometimes metaphorically for a method or process.
Away is the adverb.
The adverb in your sentence is 'thereafter'.
PLACE. example: The car rolled down the muddy road. "down the muddy road" - adverb of place
Both but more likely adverb
"Along" is typically considered an adverb rather than a preposition. It can be used as a preposition in some cases, such as "along the road," where it shows relationship between the noun "road" and something else.
slowly
Adverb A+ Goon Squad ;)
Adverb A+ Goon Squad ;)
Adverb A+ Goon Squad ;)
adverb :D A+ 4th
The adverb is kindly, but it can also be used with nouns as an adjective.
subject = dog present progressive = is walking adverb = slowly prepositional phrase = along the road. The dog is walking slowly along the road