A repeatable section for your railway tracks and road systems, comes with foundations for pasting (Green arrow) the next or the previous section.
Block signal available in the middle of the section, lighting, and night mod pedestrian poles.

Paste, then connect the tracks and remaining pedestrian pole to get it working.
Delete the red foundation used to place the blueprint correctly.

Other available forms:

• Repeatable Highway/Subway - Straight Section
• Repeatable Highway/Subway - 30° Left Section
• Repeatable Highway/Subway - 30° Right Section
• Repeatable Highway/Subway - 2m Elevation Section