Guardrail Recipes: Corners, Ends, and Poles
Guardrail blocks are crafted from 
Light Gray Concrete, and the entire family — corners, ends, and poles — follows the same material logic. If you are building a road barrier and cannot work out why your line of rails refuses to turn or terminate cleanly, the answer is almost always that you are trying to bend a straight piece instead of crafting the dedicated part.
The Straight Piece
The core recipe is the simplest one in the set. A shaped craft of Light Gray Concrete x3 produces a Guardrail. That is the block you will place most often, since it forms the long runs between every other component.
Three concrete per rail is the baseline cost, and every other part in the family is priced against it. Plan your concrete supply around the length of the barrier you intend to build, not around the number of decorative pieces, because the straights will always dominate the count.
Guardrail Corner
A 
Guardrail Corner is what you use where the barrier changes direction. It has two separate recipes, which is worth knowing before you assume you are short of materials.
- Light Gray Concrete x2 plus
Iron Ingot produces a Guardrail Corner. - A Guardrail Corner can also be crafted into a Guardrail Corner.
The second recipe is a conversion rather than a fresh craft — it takes an existing corner and returns a corner. The practical consequence is that you never need to throw a corner away because it faces the wrong way; the block can be reworked into the orientation you actually need instead of being replaced.
Note the material difference from the straight rail. Corners cost one less concrete but add an Iron Ingot. That single ingot is the reason a long barrier with many turns drains your iron faster than the straight sections suggest.
Guardrail End
A 
Guardrail End terminates a run. Like the corner, it has two recipes:
- Light Gray Concrete x3 plus Iron Ingot produces a Guardrail End.
- A Guardrail End can be crafted into a Guardrail End.
The end costs the full three concrete of a straight rail plus an ingot, making it the most expensive single piece in the family. That is easy to overlook when you are laying out a barrier with a terminus at each side.
The self-conversion recipe behaves the same way as the corner's: an existing end can be crafted back into an end. Again, this means a piece you have already made is not wasted if it does not sit the way you want.
Guardrail Pole
A 
Guardrail Pole is the vertical support. Its recipe matches the end exactly: Light Gray Concrete x3 plus Iron Ingot produces a Guardrail Pole.
Because the pole shares its recipe shape with the end, the two compete for the same materials. If you are building a barrier that needs regular uprights as well as a terminus at each end, budget your Iron Ingot accordingly — every pole and every end costs one.
Planning Your Materials
Reading the four recipes together gives a clear picture of what a barrier actually costs.
- Straights: Light Gray Concrete x3 each, no iron.
- Corners: Light Gray Concrete x2 plus Iron Ingot, or convert an existing corner.
- Ends: Light Gray Concrete x3 plus Iron Ingot, or convert an existing end.
- Poles: Light Gray Concrete x3 plus Iron Ingot.
Concrete is the bulk material and iron is the accent, but the accent is not optional — corners, ends, and poles all require it. A barrier that runs perfectly straight with no turns and no termination needs no iron at all, which is the one case where you can build the whole thing out of concrete alone.
Assembly Order
Craft the parts before you start placing. Working out the run on the ground first tells you how many straights you need, how many turns the route makes, where the poles fall, and how many ends the barrier has. Only then is it worth committing concrete and ingots to the crafting grid.
The conversion recipes for Guardrail Corner and Guardrail End give you a safety net during this stage. If your count is off by a piece or two, or a part ends up facing the wrong direction, you can rework what you already have rather than starting the craft over. That flexibility is worth remembering before you craft a second batch of anything.
Keep the two material types separate in your inventory as you go. Concrete feeds every recipe in the family, while Iron Ingot is consumed only by the corner, end, and pole — so a shortage of ingots will stall your turns and supports while leaving your straights unaffected.
Covers the mod’s in-game guide topics: Guardrail Guardrail Corner Guardrail Corner Guardrail End Guardrail End Guardrail Pole