Halo 3: ODST - Audio Log guide

Next, we’re going to use the Mongoose to pick up the audio logs between Tayari Plaza and Uplift Reserve. Leave the supply cache and work your way east. Hop off your Mongoose, open the traffic gate, and continue south. Turn left where the Brutes are wrestling with the Engineer and park after you pass the overhead walkway on your left. Head up the ramp and turn to your right. You’ll see a train ticket dispenser to the right of the door ahead. This is where you’ll find your second audio log.

Above: After you head up the ramp, the second audio log will be to your right