Port __, Regulates Transportation Infrastructure

This page is the CodyCross answer for the clue below from Inventions, Group 57, Puzzle 4.

Question is: Port __, Regulates Transportation Infrastructure

and the answer is: AUTHORITY

Word Meaning:

AUTHORITY — (uncountable) Power or right to make or enforce rules, give orders, or impose obligation; or a position having such power or right.

Definitions from Wiktionary.