POLL Chaoschad or Cardinalcel

Cross-shaped orientation (and variants) means that most streets intersect with each other at a 90º angle (aka gridlike).

See Chicago:

The more "circular" the orientation becomes, the less gridlike the city is, because the streets intersect with each other at random angles.

See Seoul:

They taking every bit of street and graphing direction, cities with curvy streets and weird grids at bottom, cities with straight streets and strict grids at top