Trench Connector

This article is considered accurate for the current version (1.59) of Foxhole.

“	A dugout that's used for cover and as passageways between Bunkers. Connects to other Trenches and Bunker. 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.

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 LMB then move your cursor to choose the desired length, use RMB to change the angle of the trench end, and press LMB to place it. During placement the trench snaps automatically to existing trenches or bunkers, hold Shift 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, and Railway Tracks if they attach to existing trenches/bunkers (or blueprints) on both sides, but it doesn't allow soldiers in the trench to pass under the road/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 if it is connected (by bunkers and trenches) to a Bunker Base with the Concrete Structures upgrade.

The concrete must dry off for 24 hours, however small modifications can be added immediately. The duration increases during Snow Storms and Rain Storms depending on their intensity (up to double with highest intensity).

While very sturdy when dry, it is extra vulnerable while wet. The vulnerability depends on how wet the concrete is and functions as a damage multiplier. Wet concrete that's just been placed has a x10 damage multiplier compared to dry concrete. After 8 hours the damage multiplier is roughly x3, and x2 after 12 hours.

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	20
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	20
Pipe	Provides power connections from Engine Rooms to Bunkers.	30	15
Trench Roof	Provides cover against enemies that have entered this Bunker. Only available at Tier 3.	200	20

Reservation

The original builder can reserve it for a Squad for 52 hours in the upgrade menu to prevent non-members from modifying it, upgrading it, or attaching structures to it. The reservation can be refreshed by any squad member.

Note that a trench not connected to a Bunker Base can be modified by the enemy even if you've reserved it. Inversely, the enemy can't modify your trench if it's connected to a bunker base even if you didn't reserve it.

Demolition

The original builder, and squad members if reserved, can instantly demolish it if it was built less than 3 hours 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. 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. The husk also does not protect infantry from Snow Storms.

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 dies if one of the bunker or trench directly attached to it dies.

Gallery

Two trench connectors joined together by destroying one of the original parent trenches.
The blueprint of the Tier 1 trench connector
A Trench Connector blueprint across a road, linking two bunker blueprints.
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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