Chicago. Suggested arrangement of passenger stations west of the river. Subway scheme 72 Suggested arrangement of passenger stations west of the river. Overhead scheme 73 Diagram of city center, showing the proposed arrangement of railroad passenger stations, the complete traction system, including rapid transit, subway, and elevated roads, and the circuit subway line 75 Railroad rights-of-way and properties in the center of city and the existing radial arteries 76 Diagram of general scheme of street circulation and parks in relation to the areas covered by industries and manufactures 77 Viaduct at Auteuil over the River Seine, Paris, France 78 Chicago. The center of the city looking west, showing Grant Park, the harbor, and the civic center 79 Plan of the street and boulevard system present and proposed 80 View looking west over the city, showing the proposed civic center, the grand axis, Grant Park, and the harbor 80 Map showing the successive city limits 81 Diagram of general scheme of street circulation and parks in relation to the population 82 Theoretical diagram of street circulation 83 Existing and proposed diagonal arteries 85 Paris. The Avenue du Bois de Boulogne, looking towards the Arc de Triomphe 86 The Tuileries Gardens and Champs Élyseés 86 The Champs Élyseés, from the Place de la Concorde 87 View from the Arc de Triomphe along the Avenue du Bois de Boulogne 87 System of traffic circulation proposed by M. Hénard for public places 89 Theoretical diagram of the streets of Paris 90 Theoretical diagram of the streets of Moscow 90 Theoretical diagram of the streets of Berlin 91 Theoretical diagram of the streets of London 91