The Radburn layout, designed by Clarence Stein and Henry Wright for Radburn, New Jersey from 1929, organised housing around short dead-end streets (cul-de-sacs) that branched off feeder roads, with homes turned inward toward shared greens and a separate network of footpaths crossing roads by underpass. The aim was to fully separate the pedestrian from the motor car within a residential 'superblock'. The Depression halted the scheme before completion, but its diagram circulated widely.
It defined the template for postwar suburban subdivision, with its branching road hierarchy of cul-de-sac, collector and arterial. That hierarchy shaped decades of car-dependent suburban form and is now criticised for poor connectivity.