Meaning of road hog

[Bibis]

English Idioms and Expressions, Advanced Level

ESL/EFL Test #40 "American Slang Words (14)", question 9

I really dislike road hogs. They think they own the road.

(a) people who aren't courteous and take up much of the roadway
(b) people who don't like roadways
(c) people who walk their dogs on roadways

English Idioms and Expressions, Advanced Level

ESL/EFL Test #40 "American Slang Words (14)", answer 9

I really dislike people who aren't courteous and take up much of the roadway. They think they own the road.

Correct answer: (a) people who aren't courteous and take up much of the roadway
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i want explanation for the whole sentence

Bibis

[Mordant]

To hog something is to use it excessively and selfishly. Hence, a road hog would be someone who uses the road inconsiderately. The speaker dislikes them because they are arrogant in their selfishness. They impede driving for others.

road hog
n
Informal a selfish or aggressive driver

road hog
n. Informal
A motorist whose vehicle overlaps the traffic lane used by another motorist.