On Mac keyboards, where the page up/down keys are unmarked, the keyboard combinations are Fn + ↑ or Fn + ↓. Road height can be adjusted by using the PAGE UP and PAGE DOWN keys while drawing the road. Some buildings can be placed partially underneath elevated roads (depending on the height of the road), but elevated roads typically require support pillars, which limit the usable space beneath them. Elevated and underground roads allow traffic to move faster and smoother because they remove the need for stop signs and traffic lights, but come with the disadvantage that they typically do not allow zoning next to them, removing some constructible space. The road is built and the zoning grid appears next to the road.Ĭontrolling road height Ĭontrolling road height is the primary way to achieve grade separation, allowing traffic to cross with minimal interference. Click the left mouse button again at the ending point. Plan the road by moving the end-point with the mouse cursor.ģ. Click the left mouse button at the starting point.Ģ. You can cancel road building with the right mouse button.ġ. To build a straight road, first click the left mouse button at the starting point, move the mouse cursor to plan the road placement, and click again to build the road.
Ordinary zoned buildings don't enjoy such privileges and will be automatically demolished. If city service buildings and other overlapping objects are in the way you will be unable to build or upgrade your road until these have been demolished or relocated. Also, when right-clicking a one-way road (of any type, including highways) the driving direction is reversed. Despite the name, the tool can also be used to change any form of road to another, including "downgrades" to narrower or less decorated roads.