A Level 5 layout is not permanent. You will reach Level 6 around 3,500 Sims. Here is how to evolve your layout without bulldozing everything.
it rather than in a long line so they all fall within its green highlight zone. The "Block" Method Arrange your houses in 2x2 blocks simcity level 5 layout
Reaching Level 5 in SimCity (any version, from SimCity Classic to SimCity (2013) or BuildIt ) is a critical milestone. You’ve just unlocked police stations, buses, and possibly trade depots. But your city is still fragile—mistakes now lead to traffic jams, fires, and bankruptcy. A Level 5 layout is not permanent