How is the building of I-285 so important to transportation?

Responses
A By creating the Perimeter, the military can surround Atlanta in case of terrorist attacks.By creating the Perimeter, the military can surround Atlanta in case of terrorist attacks.
B By creating the Downtown Connector, drivers can connect to many different places in Atlanta.By creating the Downtown Connector, drivers can connect to many different places in Atlanta.
C By creating the Downtown Connector, Atlanta turned into a major transportation hub in the South.By creating the Downtown Connector, Atlanta turned into a major transportation hub in the South.
D By creating the Perimeter, drivers can bypass Downtown Atlanta to avoid major traffic in Atlanta.

D By creating the Perimeter, drivers can bypass Downtown Atlanta to avoid major traffic in Atlanta.