Coastal Highway (achievement)
From Halopedia, the Halo wiki
Coastal Highway
Coastal Highway is an Achievement in Halo 3: ODST. It is unlocked when the player completes the Coastal Highway Mission at least on normal difficulty in Campaign Mode and unlocks the map Last Exit for Firefight. It is worth 50 Gamerpoints.[1]
It is represented by an olive circle, with the Marathon symbol imprinted in it, with a Waste Disposal Elephant (otherwise know as an Olifant) in front of it.
Sources
