1) Bus Depot

2) Diner

3) Farm

4) Power House

5) Town

Tunnel:
Encountered from Bus Depot to Diner. There are two places on the left where items can spawn.

Corn Field:
Along route from Power House to Town.

Nacht Der Untoten:
This is actually found to the right in the Corn Field. The path is narrow and easy to miss. Two items can spawn here.

Power Tower:
In the Corn Field on the left side.

Cabin:
Past the Corn Field towards the right. There will be some fire on the ground to the right, which will lead to the Cabin.

When you hear a bus horn, go outside quickly and ride a bus. You can use the bus travel between the map specified above. Zombies can attack the bus while you are entering or are on board. Pay attention to the barricades that are all around the bus. Make sure you build these barricades quickly before you become overwhelmed by these zombies.

Bus driver will always give few warning horns before it departs from any area so make sure you are close to the bus, or else you will miss it and have to survive a long round of zombies onslaught before the bus returns.

You can upgrade the bus to fend off zombies easily by finding items scattered through the county Tranzit. These upgrades are:

Plow:
This item attaches to the front and instantly kills zombies in front of the bus as it moves, preventing them from coming in front and climbing up.

Roof Hatch:
This item allows you to use the roof of the bus from the inside. There is only one roof hatch.
**Roof Hatch can also be put in the diner to access the roof**

Ladder:
This item allows you to climb to the roof of the bus from the left side of the bus.

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Plow Location: Place the turbine you have created right next to the door to the right of the workbench. When the door is opened to the room, it will have inside the grill. You can attach this grill to the front of your bus. By doing this you will not allow the zombies to enter through the front window of your bus. Remember to keep the turbine with you.

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Roof Hatch Location: After adding the first upgrade part, go all the way to the shed near the diner. Use the fan to get in. At this spot is the roof hatch. Take it back to the bus and get it into the bus. Go to the middle of the bus, look up and jump so you can attach the hatch to the roof. With this roof hatch attached, you can now jump up anytime from the bus to the rooftop.

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Ladder Location: After retrieving the second upgrade part, go to the Farm and head towards the back of the farm to another shed. Use the turbine to get in there. The third and final piece; the ladder is in here. Go back to the bus and attach it to the back of your bus.

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Missing Parts Location:
If one of these parts failed to show up on any of these locations, there is a 4th place you can check. The 4th spot is at the terminal. Go in through the bank vault area. Make a left and then right, follow the pavement to another locked door. Use the turbine to open that door and inside would be the final part if you do not have it already.

There are certain items that can be made in the Tranzit mode which will give you additional benefits to increase your survivability and the effectiveness of your equipment. Each item though has 3 sub-items, which are required to be assembled on a build table / workbench.

You can only carry one part to the table at a time, and you drop the part if you are knocked down. Zombies will generally try to destroy the parts that you place on the build table if you are near it, so it is advisable to leave the table once you have placed the part.

Turbine
Map: Bus Depot
Parts: Mannequin, Fan, Dolly
Parts Location: Look for the Fan Blade on seats, Mannequin Torso leaning against sign and Doly near lockers.

You will find all these parts in the starting locations. You can build this item and use to open the door that requires power. You can use that door to go outside and this way; you will be saving $750 which otherwise had to spend on opening the door. You can use turbine to power the Electric Trap and Turret items as well as open the Pack a Punch room.

At the Diner, Farm and Town map; you will need a turbine to open different doors. Furthermore, you can use turbine to turn on all perk machines. Turning on the perk machine will allow you to buy the perk, but you will need to switch on the power to use it. If you switch off the power, your perks stop working. Turbine will break after a number of uses even when it isnt attacked by zombies.

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Zombie Shield
Map: Diner
Parts: Dolly, Car Door
Parts Location: You will find the Car Door in garage and Dolly in Diner.

You can use this shield to bash zombies. It has limited durability, and you dont earn any points. It will break after a set number of uses, but it provides excellent defense, and you can use it to create a barrier. When you arent using it, zombie shield protects you from being hit by zombies from behind and surprisingly, this doesnt affect its durability.

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Turret
Map: Farm
Parts: RPD, Lawn Mower, Ammo Pouch
Parts Location: You will find the machine gun in house or at barn. Look for the Ammo Pouch in the living room or the kitchen of the house. Finally, you will find the Lawnmower around the sides of the house.

Its an excellent offense weapon that can guard a point of interest or a pathway. You will need turbine to run it, and it will fire at zombies whenever they come within its range in front of it.

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Electric Trap
Map: Power House
Parts: Battery, Rod, Base
Parts Location: You will find the rod by the windows up stairs from the bench. Batter on some barrels and Tesla Ball assembly (base) beside the Tombstone Soda.

Electric Trap requires a turbine to run, and it will cause zombies to attack it. Be careful around it; it can even knock you down.

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Thrustodyne Aeronautics Model 23 (Air Cannon)
Map: Town
Parts: Jet Engine, Handle, Light, Wires
Parts Location: You will find the Jet Engine in the tunnel between Bus Stop #1 and #2. Wires can be found in the same area as the Electric Trap parts. Look for the headlight in the cabin where Bowie Knife is; between Bus Stop #4 and #5. You will find the handle in World at War map section on the right stop of the road between Bus Stop #3 and #4.

Air Cannon as the name suggests blows wind on zombies has limited durability. It has a gauge on top of it, which shows how high the pressure is. It has 15 seconds of continuous fire power, but it doesnt affect the Lightning Guy.

If you increase the pressure to max, it will explode in your hand, and parts will scatter nearby. To avoid that you can allow the pressure to return to zero, it will make you move slower when it is out. You can gather the parts and re-build it from the items on the workbench. Only one member of your team can have Air Cannon (Wonder Weapon), and it is required for the Easter Egg.

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Power Switch:
Parts: Power Box, Power Switch, Arm
Parts Location: You will find all these items in the Power House.

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Pack A Punch
Parts: Table, Battery, Head Piece
Parts Location: You will find these items below the Bank inside the Green Run Town.

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Navigational Table:
Parts Location: It is part of the Easter Egg. You need table, NavCard, Card Reader, Radio and Meteor. Workbench Location Under the radio tower with red blinking lights in the corn field.

You will find the Meteor and Nav Card at Bus Depot. The Meteor is in the hole in the wall at the Bus Depot. Pay $750 to open the door and immediately go left and look for it in the hole. You will need to crouch to pick it up. Nav Card is behind the Bus Depot. Again, take a left out of the door and walk to the window at the end of the Bus Depot. Walk along the side and look for the card on the ground.

You will find the table at the tunnel in one of the two locations. One is the walkway with M16 and other is the S bend in the map. Walk around until you get a notification to press X. Its on the left side of the tunnel if you head towards the dinner.

Alternatively, if the table doesnt spawn in the tunnel, it will appear in the lower level of the room after the power room. On the ground, on the right side of the bridge you land on.

The Card Reader can be found in one of the locations. Either in the Town near the dumpster and box or at the farm house left of the refrigerator where a weapon can be stored on the wall.

Finally, Radio can be found at two locations. First is the garage at the diner, in the room with the car at the top of the file cabinet. You may have to jump to get this item. The other location is Nacht Der Untoten. Look for it towards the right of the building, on top of the bookshelf that was knocked over.

Quick Revive:
Location:Bus Station
When playing Solo, quick revive allows you to revive yourself. You can repeat it thrice before the machine vanishes. When playing with teammates, quick-review triples your revive speed when helping downed teammates.

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Speed Cola:
Location: Diner
Speed Cola doubles your reload speed and is one of must-have perks for the Diner.

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Double Tap Root Beer:
Location:Farm > Barn > Secondary Story
It will dramatically increase the rate of fire of the weapons you use, but at the same time, it will burning a lot of ammo.

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Tombstone:
Location: Power House
Its a savior. Must have for those who spend more time downed in Tranzit. When you go down, you will have to retrieve your Tombstone upon respawn at the next round. Its always on the timer and starts counting down the moment you respawn. If it times out, you will less of your previous loadout.

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Jugger-Nog:
Location: Town-> Southwest building
You get extra health. It allows you to take extra hits from the zombies before you go down. It might not be useful in the early rounds, but in the later rounds, you will need every bit of health you can get and this is where Jugger-Nog comes in.

Insta-Kill(Skull):
You can kill a zombie in one shot with any weapon. Its a very useful power-up that can save you and your team in the later rounds. If you find it at the end of the round and you dont need it, let it sit till the round resets.

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Nuke(Nuke Bomb):
Pick it up to kill every zombie in the game. There is a slight delay though so make sure you dont drop dead before Nuke becomes effective.

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Max-Ammo(Ammo Box):
Picking up Max-Ammo gives every team-mate maximum ammo for all of their weapons. This is critical, especially for the special weapon as its only way to replenish the ammo in it.

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Carpenter(Hammer):
Pick up this power up to repair all the broken barricades across the map. This can buy you time depending on your location.

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Double-Points(2X):
It doubles your score for every action you perform. You can get enough points to visit Mystery Box, Perk-a-Cola and Pack-a-Punch machines more often.

In the Farm map, you can store weapons in the Fridge found in the central house. This can be quite handy if you die and do not have the Tombstone Perk. However, at higher levels, it is relatively difficult to get access to the fridge easily during dire situations.

There wont be survivors without Mystery Box. In Black Ops 2, mystery box brings some near future weapons and old wonder weapons to the mix. The mechanics are similar.

You find the mystery box and use it to get the upgraded weapon and after using it a number of times, you will meet a teddy bear that will teleport the mystery box to an unknown location. You can find the location of the box by looking into the air and see a beam of blue light.

Your will find it in the Diner area; its your first step after Bus Depot. When it isnt there, it will be at one of the locations marked with a stack of ammo boxes across all five maps. You should mark these sites since they are potential locations for Mystery Box.

You can reload mystery box only via Max Ammo Power-Up drop. You will either get this drop by killing zombies or from Pack-a-Punch machine the first time you put the weapon in.

Music:

Like the previous Black Ops game, Black Ops 2 has also got Easter Eggs. In this guide, we will talk about a secret song Easter Egg found in the Tranzit campaign mode of Black Ops 2.

To find out this Easter Egg, first you will need to locate three special items scattered across the Tranzit maps. You do not have to look under every rock; just keep on reading to find this Easter Egg.

The three objects you need to find to locate this Easter Egg are three teddy bears. Once you find all these three teddy bears you will get to hear a secret Dubstep song.

The first teddy bear is placed on a bench in the Bus station near from where you begin. The second teddy bear is found on the farm, which is the third stop on your bus ride.

You can find the teddy bear upstairs on a blanket. The third and final teddy bear is in the Town, placed near the pool table inside the building where you can buy perks.

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Tower of Babble Achievement:
How to Get Tower of Bubble Achievement/Trophy

As the Tranzit begins on the bus depot, all four players are needed to build a turbine (all 4 of them). Collect all the parts and use them to build it. Before you leave, you are going to need an EMP grenade that will come handy at the end. You can have one from the mystery box. Yes, its luck dependent.

After you have the grenade, take the bust to the power station (third stop). Leave the bus and open the door to get to the power station below. Here, you need to turn on the power (you need to find a zombie arm, a circuit board and the lever).

After you turn on the power, now is the time that you start following the voice. When you hear the voice, you need to turn off the power through the level. The green lights activated after turning on the power are the teleporting points you can use to move around.

Your next step is to find the Pylon hidden in the smoke in between the farm and the power station. Dont take the bus this time rather go on foot. You will be able to spot a large structure in the cornfields.

Here, you need to take care of the zombies until the electric boss appears. You need to set-up two turbines below the pylon and wait for the voice to say kill the electric zombie. Keep in mind that you should not shoot it rather use the EMP grenade you have to take him out. You can also knife him multiple times to kill it.

After the electric undead has been dealt with, two of the players should stay at their turbines while the other two should head to the green lights (teleporting points) at the Diner and the Bank Area.

After these two players place their turbines there, the achievement will unlock and yes, I know the triumphant feeling you will have after the achievement/trophy pops-up on your screen.