Nether Transport Network

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Nether Transport Network
Nether hub.png

The current design of the NTN hub, as seen on the Husky world.

Type Transport
World(s) Survival 4 (Husky & Beagle)
Project Leader(s) 20.png expedtadam
20.png TrainerMoon
Status Active

For the guide on how to connect to the network, see Guide:Nether Transport Network.

The Nether Transport Network (NTN) is a community-led public transport service that runs on the Survival Multiplayer worlds of the Dogcraft Server. The system is comprised of a network of tunnels in the Nether, utilising the mechanics of using boats on ice blocks which allows for very fast movement. This is coupled with another mechanic, being that every block traveled in the nether is counted for eight in the Overworld, meaning the network allows for travel over many blocks quickly. The NTN was formed during the first Survival world and has existed in every subsequent world, with the project being led by management of the Survival Railway Network organisation.

The System on Survival 4

At 15k and 30k blocks out, four-way interchange intersections can be found with more branching tunnels

Each NTN is based around a central hub, with four tracks departing in each cardinal direction - North, East, South, and West. The nature of boating means that dead straight tracks are the best option for speed and simplicity, unfortunately restricting the flexibility of the network. Over the course of its life, the NTN has been paired with SRN rail stations in the overworld to enable easy movement to more precise locations. Each NTN has been built high in the nether, just below the ceiling, in order to travel over player builds/farms and to avoid large caverns that would significantly impede construction. This has meant that strong portal linking has been a challenge throughout the NTN's life. 

Each cardinal direction is color coded to allow players to identify where they are in the world at any given time, which corresponds to the color of the overworld parallel SRN railway line. These colors can be seen in the accents of SRN station stops.

  • North - Light Blue
  • South - Yellow
  • East - Green
  • West - Red

Tunnels & Stops

The current iteration of the Nether Transport network utilises a Red Nether Brick palette with dimly lit ice tunnels. Each tunnel has a three block wide ice track upon which boats can be ridden at high speeds. Along the side of tunnels, players can build doors leading to private tunnels connecting to bases. Additionally, official stops can be built which provide a cactus pull-in for players to access various points of interest:

  • SRN Station Stops, that provide a portal for quick travel to overworld SRN stations.
  • City stops, which feature purple accents, provide access to various settlements.
  • Attraction stops, which feature white accents, provide access to noteworthy builds and attractions.


Survival 1

Nether Transport Network
NTN Hub Sur1.png

NTN Hub gathering during ice track development, August 2016

Type Transport
World(s) Survival 1
Project Leader(s) b9540394-45da-4064-89c2-28d636a4230b?size=20.png _edo (former) →
9692e815-58c1-45c0-a505-cad65c48ed89?size=20.png darparniox
Status Defunct

The idea for a nether based transport system was thought of by _edo, alongside his conceptualisation of what would become the SRN rail network. After successful implementation of the railway concept, attention was turned to its nether counterpart.

NTN Hub in survival 1, with the mini-diorama of the overworld spawn area

The first NTN Hub was built in early August 2016. It was accessible via the nether portal in a prominent plaza area of Spawn. The hub was reasonably straightforward, the main stylistic feature being the mini-diorama of the greater overworld spawn area on the central floor, based on the overhead Dynmap view.

The initial ice track design featured a dual lane system, split with iron bars, and a platform above the packed ice to prevent Zombie Pigmen from spawning in the way of travellers. Stations were interspersed along the track, providing access to the nether, ender chests, and overworld portals. Junction stations were numerous and provided access to perpendicular tracks. Both were standardised.

Valhalla Station, an example of a Survival 1 NTN Station

NTN building took priority through the August - October period and this is when the bulk of the network was created. Many NTN stations were built, most around their SRN equivalents but with a handful at other locations such as the Dogcraft Space Association build. It was apparent that junctions would be needed during this time - many SRN stations were far enough from the ice track. Hot air balloons high up in the air were constructed at some SRN station sites in order to improve the strength of connection between portals and to allow for easy elytra take-off spots during a time before rocket-boosted flight.

The NTN was not as well known or used as the SRN. The main cause of this the counter-intuitive location of the NTN hub portal. The building housing this portal had been standing for many months before the NTN Hub was constructed, and was part of the aforementioned 'utilities' plaza, next an enchanting facility and newbie gear build among others. The portal here was recognised by most the as the server nether portal, so was used for the NTN. However, the layout of the building was unnecessarily convoluted. b9540394-45da-4064-89c2-28d636a4230b?size=20.png _edo, in line with his other concepts, believed that the building should be changed so that portal was more prominent. The builder of the building disagreed, and the portal stayed in the same difficult to access location. Another factor was some confusion as to the correct method to use the ice tracks. The mechanics of the network were not widely known, and the spawn-proofing platform limited vision. The result was that some practice was required to use the NTN to its full extent.

Survival 2

Nether Transport Network
NTN Hub.png

The Survival 2 NTN hub

Type Transport
World(s) Survival 2
Project Leader(s) 9692e815-58c1-45c0-a505-cad65c48ed89?size=20.png darparniox
Status Defunct

The NTN made a similar return in Survival 2. In this world, a server nether hub was built in creative prior to its opening, at Spawn, with a preliminary link to Spawn Station. However, the hub was built at a much lower level than the previous NTN, and did not have any amenities for boat launch. Therefore, the decision was made to construct the NTN Hub at a separate location, and link it with Grand Central Station as oppose to its Spawn equivalent. The arrangement left a rather awkward situation when entering the NTN from Spawn. It wasn't until January 2018, four months after the start of the world, that it this was fixed. Players would first need to enter the server nether hub before locating a fake end portal that would teleport them up to the NTN.

In the meanwhile, during the previous October and November considerable early progress had been made and stations began to pop up in December. The NTN Hub was outfitted with a complex boat storage system, holding many shulker boxes of boats at a time and sending them to be used. The station design was altered slightly and slow down pads, to solve a long-known issue of players struggled to 'hit the cactus' in their boat to enter the station.

A long discussed in-game NTN Map was designed and completed by b9540394-45da-4064-89c2-28d636a4230b?size=20.png _edo in March. The map was spread throughout NTN Stations and was sold for a modest fee in the Hub. Feedback on the map was positive and helped greatly with navigating the network.

First ever iteration of the NTN Map

The NTN experienced unseen exponential growth in the month of June. A pet project of c369c1dd-f285-43bb-b268-08a8c7876aa5?size=20.png marbou9's to extend the East track to near the world border and his private island was completed on the 12th. By chance, 20.png Broga_ (then Brogaman) was directed to the endpoint of the Northern track to dig after asking for a place to mine for Netherrack on the 15th. After extensive digging, Broga began to build the additional ice track infrastructure and enlisted the help of many other players to complete the task of finishing NTN North and South ice tracks to the world border, with major contributors including 20.png briggsmech, 9692e815-58c1-45c0-a505-cad65c48ed89?size=20.png darparniox and 20.png Snowflake_Elsa. Observing this sensation, 20.png Mrs_Diss, who had previously completed a sizeable section of the Western track to her MicroMesa, continued the march onward by extending this track, also to the world border. By the 20th, all four tracks and five new stations had been completed in the space of eight days, over tripling the size of the network.

An additional 2x2 combined in-game NTN and SRN network map was created on the 15th of July, designed by 20.png misterblue28 and was a team-construction project organised by 20.png William278. The map was hung alongside the original one in NTN stops as well as in the counterpart SRN stations.

Further expansion on NTN from this point was limited to a handful of new stations, until the closure of the Survival 2 world on October 20th 2018.

Survival 3

Nether Transport Network
NTN Hub Sur3.png

The Survival 3 NTN hub

Type Transport
World(s) Survival 3
Project Leader(s) 9692e815-58c1-45c0-a505-cad65c48ed89?size=20.png darparniox
Status Defunct

NTN construction for Survival 3 began before world launch, as part of the Spawn building project. The NTN Hub was given more aesthetic attention than usual with a design by c369c1dd-f285-43bb-b268-08a8c7876aa5?size=20.png marbou9, and the very beginnings of new ice tracks were in place when the new world launched. This was a very welcome occurrence, given the awkward nature of previous NTN Hub locations, and led to a major increase in the awareness and use of the NTN.

The NTN tunnels were re-designed for the world in accordance with feedback gathered of the course of the two previous iterations. A field trip to the Iskall85 server was conducted by prominent NTN players and many aspects of the nether tunnel design there were incorporated. The new tunnel was wider, lacked a lane system, and removed the need for the restrictive spawn-proofing platform by replacing packed ice with non-spawnable regular ice and careful lighting to prevent melting. The result was a tunnel with much more freedom and vision for the traveler with limited downside, whilst allowing much more accessibility to non-station connections (later coined 'side-doors'). Improved vision allowed for distance markers in overworld blocks to be added to the ceiling of tunnels, a useful guide for players.

Distance marker and CKC side-door, unique to Survival 3's NTN

Work on expanding the NTN began very early into the new world, an effort again headed by 20.png Broga_. With a large collection of helpers, he had completed all four NTN tunnels to the world border by the 11th of November, less than a month after the opening of the world. New side-doors began to pop up around the network, to great effect. However, efforts to build stations had been confused after mixed feelings about a new design created in November. A second re-design was made much later in March 2019 by 9692e815-58c1-45c0-a505-cad65c48ed89?size=20.png darparniox. This was more discreet than previous examples, reflecting a new lower emphasis on SRN connections and toward player bases and towns as well being more customisable aesthetically. Later, in May, an 'approved stop' design was created after demand for a door for more significant locations outside of full stations.

With probable world border expansion for the 1.14 update looming, 20.png SJONES1997 began to extend NTN North past the border and toward the future border, with a 1000 block section completed in May. 20.png Broga_ and company once again performed significant tunnel construction, completing each track to the same distance through June.

The approved stop for Chronia

The even more ambitious 'window-box' project was devised by 20.png Broga_ following the rush of players brought by the SRN and NTN base tour video in early July. The window-box consisted of a loop track of ice following the 1.13 world border, adding in four new world corner stations and forming a window box shape with the existing cardinal tracks. The original border stations by this time resembled 'mini-hubs', with three tracks departing from them. The project was completed on the 9ᵗʰ of August after many hours of work from many players.

From this point on onward, the NTN was considered 'complete', and the only new activity was the construction of new stations, stops, and side-doors. Unfortunately, the planned border increase only took effect with the server update to 1.15 on the 20th of March 2020, and could only be opened from then, around a week before the closure of the world. Overall the Survival 3 NTN was clearly the most used and recognised, which can be predominantly attributed to the improved design and portal location.

This page was last modified on 7 June 2021, at 20:52.