Block of Iron Pipes and Block of Copper Pipes:

These are crafted with pipes, which function as lightning rods:

Here are the recipes:

Both block recipes are shapeless and can have the pipes arranged in any order.

Decorative Highway barriers that function like fences.

Here are the recipes:

The Jersey Wall can also be crafted in a stonecutter, one Pavement block to one Jersey Wall.

Here are the recipes:

Traffic Lights are based on the direction of the player placing them. They can be toggled by redstone.

Automatic Traffic Lights are also based on the player direction. Their speed can be changed by feeding them sugar or fermented spider eyes. Each click adds or subtracts 20% of the current speed, for a total of nine speed combinations.
Giving an Automatic Traffic Light a redstone signal will freeze it in place.

Here are the recipes for the Traffic Light:

Lime dye and candles can be substituted for green dye and candles, respectively.
Traffic Lights can also be crafted with an Automatic Traffic Light and three coal, shapeless.

Here is the recipe for Automatic Traffic Lights:

Green dye can be substituted for lime dye. Automatic Traffic Lights can also be crafted with a Traffic light and three redstone, shapeless.

Decorative road signs.

Here are the recipes for the signs:

Wool can be substituted for concrete or terracotta. Any shovel and any banner (including modded shovels and banners) will work for the Shovel Diamond Sign and Flag Diamond Sign, respectively.

Block of sticks are decorative blocks that have a burn time of 3000.

Pallets are just decorative blocks for now:

Block of Pavement and Block of Asphalt. Pavement is used to craft Jersey Walls and Highway Barriers. Asphalt will give players and mobs Speed II when standing on.

Here are the recipes:

For Pavement, any type of Sand and any type of Cobblestone (Blackstone, Cobbled Deepslate, etc) work, even ones that were added by other mods.

Bundle of Sticks

Bundles of Sticks are a crafting ingredient for Blocks of Sticks. They have a burn time of 1000 and can be used to bulk craft torches.

Copper Nugget

Copper Nuggets are a crafting ingredient used to make pipes. Once Copper ingot is nine Copper Nuggets. Copper Nuggets can also be made by smelting down any Vanilla or Workings' Copper blocks or items.

• The Highway Barrier texture has some Z-fighting if connected to both the X and Z axis.
• Asphalt is creative-only for now. I haven't decided what recipe to give it yet. New in 1.0.2, Asphalt has a recipe and gives Speed II effect when standing on.
• Pallets have no drops, I am unable to get the loottable to accept multiple blockstates (PR's welcome!) Fixed in 1.0.5