1. Be sure to pay attention when planning. Be careful. If you can see arrows in the planning grid, it can be understood as the entrance of the building. Where the arrow points, there must be a road, otherwise there must be a circle. Easy to understand, right? There is no road at the door, of course it can't be opened to traffic.

There is no problem with the direction of the arrow, but there is still a circle. This is because the road you plan is not a "street". Don't worry, the circle behind will disappear. Because the streets can't meet the traffic at all.

There is a bag in the roof circle (that is, unemployment)

1. There are insufficient employment opportunities and the population cannot find jobs. Solution: Expand the industrial zone and build some commercial zones.

2. The commuting time is too long, and the population is unwilling to go to work. Solution: build some commercial areas nearby in the early stage, or build another industrial area at a suitable distance; In the medium term, build a bus station; Later, the subway was built.

Train, connection trouble, low utilization rate, large area, unused, not recommended. If there is a sea, it is better to build some docks where cars can pass. ...