Trench Connector

This article is considered accurate for the current version (1.63) of Foxhole.

“	A dugout that's used for cover and as passageways between Bunkers. Connects to other Trenches and Bunkers. This is a special Trench variant that can resize dynamically and can be built underneath roads.	„
	— In-game description

The Trench Connector is a dynamic upgradable Trench piece that can connect two Trenches or Bunkers and pass under roads and tracks. It can be connected to other Bunkers and Trenches.

Construction

The Tier 1 Trench Connector is dug with a Shovel. It can placed on its own or be attached to existing Trenches or Bunkers by its two extremities. You place the first end with then move your cursor to choose the desired length, use to change the angle of the trench end, and press to place it. During placement the trench snaps automatically to existing trenches or bunkers, hold to disable this. The connector connects on the same spots regular trenches and bunkers would snap.

Its length is adjustable, the trench can extend up to 7 meters from the center of the connection points. The cost of the connector is not determined by its length; it is always the same cost. Because it spans less distance than a regular trench would, it is not cost-friendly to frequently use it in defense structures.

Trench connectors can be built across roads, Provisional Roads, Small Gauge Railway Track, and Railway Tracks if they attach to existing trenches/bunkers (or blueprints) on both sides. In that configuration connectors are underground, incorporeal, and nearly invisible, with only small wooden posts at each extremities to indicate their presence, but their length can extend up to 20m. They cannot be entered at all so soldiers cannot pass under the road or track.

Tier 2

A Tier 2 Trench Connector is built by upgrading an existing Tier 1 Trench Connector with a Hammer and 60 Basic Materials.

Tier 3

A Tier 2 Trench Connector can be upgraded to Tier 3 with a Hammer and 15 Concrete Materials.

The concrete must dry off for 24 hours (longer during a Snow Storm or Rain Storm). While wet, the structure is more vulnerable and cannot be upgraded except adding small modifications.

Modifications

Certain small modifications can be installed on Trench Connectors.


Name	Description	Cost	Removal
Barbed Wire	Slows the enemy infantry attempting to invade this Trench. Each Barbed Wire covers one of the two sides of the trench.	1 x	20 x
Sandbags	A defensive barrier that hinders enemy movement and provides cover during combat. Each sandbags covers only one of the two sides of the trench. Soldiers inside a trench cannot shoot over sandbags and cannot exit from a side that has sandbags.	1 x	20 x
Trench Roof	Provides cover against enemies that have entered this Bunker. Does not act as a Bridge. Only available at Tier 3.	200 x	20 x

Reservation

The original builder can reserve it for a Squad for 52 hours in the upgrade menu to prevent non-members from modifying it or attaching structures to it.

The Reserve Multiple button allows the builder to reserve it and every structure they built that is connected to it by some form of network: Foundation, Power Line, Pipeline, Bunker & Trench. The different network types also communicate: if structure 1 is connected to structure 2 by power line and structure 2 is connected to structure 3 by pipeline then using Reserve Multiple on structure 1 will reserve structure 2 and 3.

The reservation can be refreshed by any squad member. If the reservation expires, the structure can never be reserved again.

Note that a trench not connected to a Bunker Base can be modified by the enemy even if reserved. Inversely, the enemy can't modify an unreserved trench if it's connected to a bunker base (up to a maximum range of 40 Trench/Bunker pieces).

Demolition

The original builder, and squad members if reserved, can instantly demolish it if it was built less than 28 days ago. The materials used in the construction and upgrades are refunded and dropped under the player. Trench blueprints can also be demolished by the builder if under 3 hours old.

Fill In

At Tier 1, a Trench Connector can be filled in with a Shovel, using a button in its upgrade menu, to remove it and restore the landscape around it. The trench must not have any modifications installed. It creates a blueprint over the trench which must be dug with a shovel. A Tier 1 Trench Connector husk can also be filled in in the same manner.

At Tier 2 filling in requires Basic Materials and an Advanced Construction Vehicle. A Tier 2 Trench husk can also be filled in in the same manner.

Tier 3 Trenches cannot be filled in.

Reconstruction

When destroyed, Trench Connectors leave a destroyed version of themselves (a "husk"). They can be rebuilt with the same tool (in Upgrade Mode) and materials used to build the Tier they were on. All previously installed modifications are kept and don't need to be reinstalled.

Use

Defensive Position

It offers great cover and good firing positions for infantry. It is particularly difficult to hit a soldier in a trench with small arms. Trenches are especially useful when linked together in a network to give mobility to the soldiers. It serves to protect infantry against Artillery. It also slowly warms up infantry in it during Snow Storms.

Only the Tanks (except Tankettes and Scout Tanks) and the Colonial Heavy-Duty Truck can cross a trench, every other vehicle hits an invisible wall.

Trenches are neutral structures by default, if an enemy takes your trench, they can use it against you. For this reason care must be taken when digging trenches to avoid accidentally aiding the enemy and hampering one's own team. Both teams are able to upgrade or modify trenches unless they are connected to a Bunker Base, which prevents enemies from adding or removing modifications.

When destroyed, the husk it leaves can still be used by soldiers to hide inside it by crouching but it offers worse cover than a normal trench. Unlike normal trenches, all vehicles can drive over trench husks.

Network Connection

The Base Upgrades unlocked by a Bunker Base spread through and apply to all connected Trench types and Bunkers, up to a maximum range of 40 pieces. Trench husks also spread Base upgrades. Trench connectors are especially useful to spread Base Upgrades across roads, Provisional Roads, and Railway Tracks.

Resistance

It is very resistant to all damage types except Demolition. It is especially good at withstanding artillery. Tier 2 and 3 only gives it more health. At Tier 3, it takes more damage while its concrete is wet. The destroyed Trench Connector has the same health and resistance but its decay is faster and cannot be prevented.

If built under a road or railway track, it is iimmune to damage but dies if one of the bunker or trench directly attached to it dies.

Update History

Update	Changes
Update 1.52	Tier 1 Trench Connector excavation and repair cost reduced from 115 to 90. Filling in excavation cost reduced from 112 to 90. Tier 2 Trench Connector Basic Material and repair cost reduced from 75 to 60.

Gallery

Five Trench Connectors joined together in a zigzag pattern
Trench Connector at Tier 1, Tier 2, and Tier 3
The blueprint of the Tier 1 trench connector
A Trench Connector across a road, linking two bunker blueprints.
A Trench Connector connecting a Bunker and a Trench across a road is nearly invisible, with only wooden posts (circled in red) advertising its presence
A Trench Connector blueprint across a Small Railway Track, linking two bunker blueprints.
The look of Trench, Trench Emplacement, Trench Connector, Bunker, and Bunker Corner at each Tier and when destroyed.

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