the Chicago mile street pattern into the suburbs.) Downtown The density of main streets in downtown Chicago is greater than in the rest of the city, with some at half-block spacing (just 50 address numbers or one-sixteenth mile from the next parallel street), or block spacing between main streets, unlike the rest of the city where the main streets are spaced at half-mile and mile intervals: North/south: Canal Street (500 W) Wacker Drive (400 W) Franklin Street (300 W) Wells Street (200 W) LaSalle Street (150 W) Clark Street (100 W) Dearborn Street (36 W) State Street (0 E/W) Wabash Avenue (44 E) Michigan Avenue (100 E) Columbus Drive (300 E) McClurg Court (400 E) East/west: Oak Street (1000 N) Chicago Avenue (800 N) Huron Street (700 N) Ohio Street (600 N) Grand Avenue (530 N) Illinois Street (500 N) Hubbard Street (430 N) Kinzie Street (400 N) Wacker Drive (300 N) Lake Street (200 N) Randolph Street (150 N) Washington Street (100 N) Madison Street (0 N/S) Monroe Street (100 S) Adams Street (200 S) Jackson Boulevard (300 S) Van Buren Street (400 S) Ida B. Wells Drive/Congress Parkway (500 S) Harrison Street (600 S) Polk Street (800 S) Secondary streets East/west: 10000 N – (Old Orchard Road) 9200 N – (Church Street) 8400 N – (Main Street) 7600 N – Howard Street 6800 N – Pratt Avenue 6000 N – Peterson Avenue 5200 N – Foster Avenue 4600 N – Wilson Avenue (not a half-mile) 4400 N – Montrose Avenue 3600 N – Addison Street 2800 N – Diversey Parkway 2000 N – Armitage Avenue 1200 N – Division Street 400 N – Kinzie Street 1000 S – Taylor Street (not a half-mile) 1600 S – 16th Street 2600 S – 26th Street 3500 S – 35th Street 4300 S – 43rd Street 5100 S – 51st Street (East Hyde Park Boulevard) 5900 S – 59th Street 6700 S – Marquette Road (67th Street) 7500 S – 75th Street 8300 S – 83rd Street (German Church Road in Willow Springs, Montgomery Road in Aurora) 9100 S – 91st Street 9900 S – 99th Street 10700 S – 107th Street 11500 S – 115th Street 12300 S – 123rd Street (McCarthy Road in Palos Park) 13000 S – 130th Street (not a half-mile) The half-mile numbered streets on the South Side are all secondary streets: 35th, 43rd, 51st, 59th,