A good city should be pedestrian friendly, encourages the uses of bikes or any low carbon print vehicle, with the addition of verbose, reliable and easy to access public transportation. This could help the residents with maintain a heathy lifestyle# and the children to gain their independence early on.
For suburban, medium-dense houses with walkable distance of workplace are desirable. It is not only improve the aesthetic of the suburban, but also reduce the obesity around that area as people would prefer walking rather than using cars. The public transportation should also cover the suburban area for the residents to have easy access to the urban facility. This strategy can be used to tackle down the 202205031222#.
To make the street favourable for biking, building infrastructure like a protected bike lane is more effective that just painting a dedicated lane for bikes. Such example could be seen in the cities in the Netherlands like Amsterdam where bike lanes are separated from the car lanes completely without much overlapping. Even if the bike lane is intertwined with the car lane, sometimes, especially in the city centre, the bikes always has the priority.
Graph theory# is heavily related to urban planning.