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ST. LOUIS, MO (KTVI) – A busy intersection in Maryland Heights topped a list of the most dangerous intersections in the state. The St. Louis Post-Dispatch reports that a Missouri law firm and data agency crunched data from 148,000 crash reports between 2010 to 2015. The divergent diamond on Dorsett road and Interstate 270 came back with high numbers, responsible for 149 accidents. It was the first of its kind in the saint louis region, and opened in 2010.
The Hazelwood intersection of McDonnell Boulevard and Interstate 270 scored number three on the list with 80 crashes.
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Most dangerous intersections in Missouri: More information.
| City | Road 1 | Road 2 | Accidents | Injured | Killed |
| MARYLAND HEIGHTS | DORSETT RD | I-270 | 149 | 48 | 0 |
| KANSAS CITY | BLUE RIDGE CUTOFF | I-70 | 95 | 59 | 1 |
| HAZELWOOD | JAMES S MCDONNELL BLVD | I-270 | 80 | 42 | 0 |
| FRONTENAC | SPOEDE RD | I-64 | 109 | 30 | 0 |
| ST LOUIS | JEFFERSON AVE | I-44 | 74 | 39 | 0 |
| KANSAS CITY | FRONT ST | I-435 | 87 | 28 | 1 |
| BERKELEY | AIRPORT RD | I-170 | 51 | 35 | 0 |
| FENTON | GRAVOIS BLUFFS BLVD | 141 | 74 | 27 | 0 |
| KANSAS CITY | HOLMES RD | I-435 | 83 | 24 | 0 |
| KANSAS CITY | GREGORY BLVD | US 71 | 68 | 28 | 0 |
| ST JOSEPH | BELT HWY | FARAON ST | 48 | 34 | 0 |
| RICHMOND HEIGHTS | ERM EAST IS 64 MILE 326 | I-64 | 66 | 28 | 0 |
| ST LOUIS | SALISBURY ST | I-70 | 52 | 29 | 1 |
| KANSAS CITY | BANNISTER RD | US 71 | 74 | 25 | 0 |
| ST LOUIS | KINGSHIGHWAY BLVD | I-64 | 84 | 21 | 0 |
| KANSAS CITY | 59TH ST | US 71 | 47 | 29 | 1 |
| ST PETERS | MID RIVERS MALL DR | I-70 | 49 | 28 | 1 |
| ST LOUIS | GRAND AVE | I-70 | 51 | 30 | 0 |
| ST LOUIS | HAMPTON AVE | I-64 | 51 | 30 | 0 |
| SPRINGFIELD | CAMPBELL AVE | WALNUT LAWN ST | 38 | 34 | 0 |
| ST LOUIS | BIRCHER BLVD | UNION BLVD | 34 | 35 | 0 |
| ST LOUIS | PARK AVE | I-55 | 36 | 34 | 0 |
| KANSAS CITY | 87TH ST | I-435 | 70 | 22 | 0 |
| CLAYTON | BRENTWOOD BLVD | I-170 | 42 | 31 | 0 |
| INDEPENDENCE | LEES SUMMIT RD | I-70 | 48 | 29 | 0 |
| LIBERTY | BLUE JAY DR | KANSAS ST | 59 | 25 | 0 |
| ST LOUIS | HAMPTON AVE | I-44 | 57 | 25 | 0 |
| KANSAS CITY | EMANUEL CLEAVER II BLVD | US 71 | 59 | 21 | 1 |
| KANSAS CITY | 75TH ST | US 71 | 67 | 21 | 0 |
| ST LOUIS | ADELAIDE AVE | I-70 | 45 | 28 | 0 |
| KANSAS CITY | BANNISTER RD | I-435 | 51 | 26 | 0 |
| CLAYTON | FOREST PARK PKWY | I-170 | 57 | 24 | 0 |
| CAPE GIRARDEAU | MT AUBURN RD | Route K | 81 | 16 | 0 |
| BERKELEY | NORTH HANLEY RD | I-70 | 36 | 29 | 0 |
| FERGUSON | WEST FLORISSANT AVE | I-270 | 48 | 25 | 0 |
| KANSAS CITY | BLUE RIDGE BLVD | I-470 | 57 | 20 | 0 |
| ST LOUIS | SHREVE AVE | I-70 | 35 | 23 | 1 |
| DELLWOOD | CHAMBERS RD | WEST FLORISSANT AVE | 43 | 23 | 0 |
| ST JOSEPH | BELT HWY | MITCHELL AVE | 36 | 25 | 0 |
| VALLEY PARK | IS 44 | MO 141 | 69 | 14 | 0 |
| KIRKWOOD | BIG BEND BLVD | I-270 | 59 | 17 | 0 |
| RAYTOWN | GREGORY BLVD | MO 350 | 43 | 22 | 0 |
| KANSAS CITY | WORNALL RD | I-435 | 58 | 17 | 0 |
| ST LOUIS | PAGE BLVD | UNION BLVD | 39 | 23 | 0 |
| ST LOUIS | UNION BLVD | I-70 | 29 | 23 | 1 |
| LIBERTY | CONISTOR RD | KANSAS ST | 41 | 22 | 0 |
| KANSAS CITY | BLUE PKWY | I-435 | 34 | 24 | 0 |
| KANSAS CITY | RED BRIDGE RD | US 71 | 52 | 18 | 0 |
| ST JOSEPH | BELT HWY | FREDERICK AVE | 33 | 24 | 0 |
| KANSAS CITY | EASTWOOD TRFY | I-435 | 51 | 18 | 0 |
| ARNOLD | RICHARDSON RD | I-55 | 68 | 12 | 0 |
| KANSAS CITY | VAN BRUNT BLVD | I-70 | 49 | 18 | 0 |
| INDEPENDENCE | NOLAND RD | I-70 | 45 | 19 | 0 |
| ST LOUIS | NATURAL BRIDGE AVE | UNION BLVD | 35 | 22 | 0 |
| FLORISSANT | GRAHAM RD | I-270 | 41 | 20 | 0 |
| COUNTRY CLUB HILLS | WEST FLORISSANT AVE | Route U | 43 | 19 | 0 |
| CREVE COEUR | TEMPO DR | MO 340 | 55 | 15 | 0 |
| SPRINGFIELD | CHESTNUT EXPY | KANSAS EXPY | 23 | 25 | 0 |
| SPRINGFIELD | GLENSTONE AVE | I-44 | 23 | 25 | 0 |
| ST LOUIS | BROADWAY | I-55 | 32 | 22 | 0 |
| ST LOUIS | GOODFELLOW BLVD | I-70 | 32 | 22 | 0 |
| ST LOUIS | HALL ST | RIVERVIEW DR | 25 | 24 | 0 |
| LADUE | LINDBERGH BLVD | I-64 | 39 | 19 | 0 |
| ST LOUIS | RIVERVIEW DR | SCRANTON AVE | 25 | 23 | 0 |
| KANSAS CITY | 63RD ST | PROSPECT AVE | 28 | 22 | 0 |
| KANSAS CITY | NW BARRY RD | I-29 | 43 | 17 | 0 |
| KANSAS CITY | SHOAL CREEK PKWY | MO 152 | 49 | 15 | 0 |
| SPRINGFIELD | BATTLEFIELD RD | CAMPBELL AVE | 23 | 20 | 1 |
| ST LOUIS | GOODFELLOW BLVD | WEST FLORISSANT AVE | 36 | 19 | 0 |
| HAZELWOOD | LYNN HAVEN LN | US 67 | 23 | 23 | 0 |
| ST LOUIS | GRAND BLVD | NATURAL BRIDGE AVE | 28 | 18 | 1 |
| O’FALLON | BRYAN RD | I-70 | 47 | 15 | 0 |
| CHESTERFIELD | CHESTERFIELD AIRPORT RD | LONG RD | 37 | 18 | 0 |
| ST CHARLES | ZUMBEHL RD | I-70 | 52 | 13 | 0 |
| KANSAS CITY | 63RD TRFY | I-435 | 42 | 13 | 1 |
| ST CHARLES | 5TH ST | I-70 | 42 | 16 | 0 |
| TOWN AND COUNTRY | CLAYTON RD | I-270 | 48 | 14 | 0 |
| ST LOUIS | MADISON ST | I-70 | 32 | 19 | 0 |
| ST LOUIS | FOREST PARK PKWY | SKINKER BLVD | 41 | 16 | 0 |
| KANSAS CITY | 55TH ST | US 71 | 47 | 14 | 0 |
| UNIVERSITY CITY | DELMAR BLVD | I-170 | 37 | 14 | 1 |
| MARYLAND HEIGHTS | PAGE AVE | I-270 | 50 | 13 | 0 |
| ST JOSEPH | BELT HWY | PICKETT RD | 28 | 20 | 0 |
| FLORISSANT | WASHINGTON ST | US 67 | 40 | 16 | 0 |
| ST LOUIS | 4TH ST | WASHINGTON AVE | 30 | 19 | 0 |
| TOWN AND COUNTRY | WOODS MILL RD | RT HH | 32 | 18 | 0 |
| ST LOUIS | GOODFELLOW BLVD | NATURAL BRIDGE AVE | 35 | 17 | 0 |
| ST LOUIS | GRAND BLVD | LINDELL BLVD | 35 | 17 | 0 |
| ST LOUIS | ARSENAL ST | MCCAUSLAND AVE | 25 | 20 | 0 |
| WEBSTER GROVES | ELM AVE | I-44 | 25 | 20 | 0 |
| KANSAS CITY | STADIUM DR | I-435 | 37 | 16 | 0 |
| NON-CITY OR UNINCORPORATED | LITTLE BRENNAN RD | MO 30 | 36 | 13 | 1 |
| ST LOUIS | LOUGHBOROUGH AVE | I-55 | 49 | 12 | 0 |
| SPRINGFIELD | GLENSTONE AVE | KEARNEY ST | 27 | 19 | 0 |
| KANSAS CITY | TRUMAN RD | IS-435 | 39 | 15 | 0 |
| INDEPENDENCE | 39TH ST | MO 291 | 20 | 21 | 0 |
| SPRINGFIELD | GLENSTONE AVE | GRAND ST | 20 | 21 | 0 |
| SPRINGFIELD | SUNSHINE ST | US 65 | 22 | 17 | 1 |
| KANSAS CITY | MANCHESTER TRFY | I-70 | 41 | 14 | 0 |
| FLORISSANT | NEW FLORISSANT RD NORTH | US 67 | 44 | 13 | 0 |
| KANSAS CITY | THE PASEO | TRUMAN RD | 19 | 21 | 0 |
| KANSAS CITY | BLUE PKWY | EASTWOOD TRFY | 28 | 18 | 0 |
| KANSAS CITY | WINNER RD | I-435 | 34 | 16 | 0 |
| ST JOSEPH | FREDERICK AVE | WOODBINE RD | 43 | 13 | 0 |
| ST LOUIS | GRAND BLVD | I-44 | 26 | 12 | 2 |
| INDEPENDENCE | VALLEY VIEW PKWY | US 40 | 24 | 19 | 0 |
| SPRINGFIELD | CHESTNUT EXPY | WEST BYP | 24 | 19 | 0 |
| SPRINGFIELD | NATIONAL AVE | SUNSET ST | 20 | 20 | 0 |
| SPRINGFIELD | DIVISION ST | GLENSTONE AVE | 26 | 18 | 0 |
| LADUE | MC KNIGHT RD | I-64 | 32 | 16 | 0 |
| FLORISSANT | PATTERSON RD | US 67 | 50 | 10 | 0 |
| SPRINGFIELD | BATTLEFIELD RD | GLENSTONE AVE | 16 | 21 | 0 |
| KANSAS CITY | FLINTLOCK RD | MO 152 | 34 | 15 | 0 |
| BLUE SPRINGS | MOCK AVE | MO 7 | 43 | 12 | 0 |
| DES PERES | DOUGHERTY FERRY RD | I-270 | 46 | 11 | 0 |
| JENNINGS | JENNINGS STATION RD | MO 367 | 30 | 16 | 0 |
| KANSAS CITY | STERLING AVE | I-70 | 33 | 15 | 0 |
| RAYTOWN | RAYTOWN RD | MO 350 | 36 | 14 | 0 |
| INDEPENDENCE | GUDGELL ST | MO 291 | 35 | 11 | 1 |
| CAPE GIRARDEAU | INDEPENDENCE ST | US 61 | 57 | 7 | 0 |
| SPRINGFIELD | KANSAS EXPY | WALNUT LAWN ST | 20 | 19 | 0 |
| ST LOUIS | KINGSHIGHWAY BLVD | ST LOUIS AVE | 32 | 15 | 0 |
| KANSAS CITY | BLUE PKWY | NOLAND RD | 38 | 13 | 0 |
| NON-CITY OR UNINCORPORATED | MONTAUK DR | US 67 | 18 | 13 | 2 |
| WENTZVILLE | WENTZVILLE PKWY | I-70 | 53 | 8 | 0 |
| ST LOUIS | DELMAR BLVD | UNION BLVD | 13 | 21 | 0 |
| NON-CITY OR UNINCORPORATED | ROMAINE CREEK RD | MO 141 | 34 | 14 | 0 |
| KANSAS CITY | GREGORY BLVD | I-435 | 37 | 13 | 0 |
| LAKE ST LOUIS | LAKE ST LOUIS BLVD | I-70 | 43 | 11 | 0 |
| INDEPENDENCE | LITTLE BLUE PKWY | I-70 | 23 | 14 | 1 |
| SEDALIA | 16TH ST | US 65 | 36 | 13 | 0 |
| ST LOUIS | KINGSHIGHWAY BLVD | LINDELL BLVD | 36 | 13 | 0 |
| ST LOUIS | KINGSHIGHWAY BLVD | NATURAL BRIDGE AVE | 36 | 13 | 0 |
| NORMANDY | BERMUDA DR | I-70 | 19 | 12 | 2 |
| ST LOUIS | GOODFELLOW BLVD | STRATFORD AVE | 26 | 16 | 0 |
| INDEPENDENCE | LEES SUMMIT RD | MO 78 | 32 | 14 | 0 |
| FLORISSANT | CHARBONIER RD | US 67 | 38 | 12 | 0 |
| PINE LAWN | JENNINGS STATION RD | I-70 | 38 | 12 | 0 |
| GLADSTONE | 72ND ST | MO 1 | 41 | 11 | 0 |
| SPRINGFIELD | CHESTNUT EXPY | GLENSTONE AVE | 16 | 19 | 0 |
| SPRINGFIELD | GLENSTONE AVE | PRIMROSE ST | 22 | 17 | 0 |
| SPRINGFIELD | CAMPBELL AVE | SUNSHINE ST | 28 | 15 | 0 |
| LADUE | LADUE RD | IS 170 | 31 | 14 | 0 |
| ELLISVILLE | OLD STATE RD | MO 100 | 52 | 7 | 0 |
| SPRINGFIELD | CHERRY ST | GLENSTONE AVE | 21 | 17 | 0 |
| BLUE SPRINGS | ADAMS DAIRY PKWY | US 40 | 24 | 16 | 0 |
| ST LOUIS | ST LOUIS AVE | I-70 | 24 | 16 | 0 |
| ST JOSEPH | BELT HWY | COOK RD | 27 | 15 | 0 |
| FENTON | GRAVOIS BLUFFS BLVD | MO 30 | 30 | 14 | 0 |
| FLORISSANT | PARKER RD | RT AC | 30 | 14 | 0 |
| ST LOUIS | GIMBLIN RD | HALL ST | 10 | 14 | 2 |
| KANSAS CITY | 155TH ST | US 71 | 33 | 13 | 0 |
| ST LOUIS | MCCAUSLAND AVE | I-64 | 33 | 13 | 0 |
| KANSAS CITY | 64TH ST | I-29 | 39 | 11 | 0 |
| KANSAS CITY | SWOPE PKWY | US 71 | 23 | 16 | 0 |
| ST LOUIS | BROADWAY | I-70 | 23 | 16 | 0 |
| SPRINGFIELD | MOUNT VERNON ST | WEST BYP | 13 | 16 | 1 |
| JENNINGS | LUCAS & HUNT RD | PVT BURRWOOD DR | 29 | 14 | 0 |
| KANSAS CITY | ANTIOCH RD | VIVION RD | 29 | 14 | 0 |
| LEES SUMMIT | CHIPMAN RD | US 50 | 35 | 12 | 0 |
| ARNOLD | VOGEL RD | RICHARDSON RD | 50 | 7 | 0 |
| ST LOUIS | GRAND BLVD | PAGE BLVD | 13 | 19 | 0 |
| SPRINGFIELD | BENNETT ST | GLENSTONE AVE | 19 | 17 | 0 |
| ST LOUIS | ST LOUIS AVE | UNION BLVD | 19 | 17 | 0 |
| KANSAS CITY | GRAND AVE | TRUMAN RD | 22 | 16 | 0 |
| KANSAS CITY | EMANUEL CLEAVER II BLVD | PROSPECT AVE | 18 | 14 | 1 |
| KANSAS CITY | STATE LINE RD | I-435 | 46 | 8 | 0 |
| MANCHESTER | ENCHANTED PKWY | MO 100 | 18 | 17 | 0 |
| SPRINGFIELD | GRAND ST | KANSAS EXPY | 24 | 15 | 0 |
| FLORISSANT | TROTTER WAY | US 67 | 39 | 10 | 0 |
| INDEPENDENCE | CRYSLER AVE | MO 78 | 20 | 16 | 0 |
| INDEPENDENCE | JACKSON DR | LITTLE BLUE PKWY | 23 | 15 | 0 |
| HAZELWOOD | JAMES S MCDONNELL BLVD | US 67 | 26 | 14 | 0 |
| ST LOUIS | DELMAR BLVD | KINGSHIGHWAY BLVD | 26 | 14 | 0 |
| ST PETERS | MEXICO RD | SPENCER RD | 26 | 14 | 0 |
| ST LOUIS | HAMPTON AVE | OAKLAND AVE | 19 | 16 | 0 |
| FERGUSON | SOMERSET TERRACE DR | WEST FLORISSANT AVE | 22 | 15 | 0 |
| KANSAS CITY | BANNISTER RD | HOLMES RD | 28 | 13 | 0 |
| SUNSET HILLS | GRAVOIS RD | MO 30 | 28 | 13 | 0 |
| ST LOUIS | GRAND BLVD | I-64 | 31 | 12 | 0 |
| KANSAS CITY | 103RD ST | I-435 | 34 | 11 | 0 |
| ARNOLD | VOGEL RD | WOR 55 | 37 | 10 | 0 |
| BLUE SPRINGS | ADAMS DAIRY PKWY | CORONADO DR | 43 | 8 | 0 |
| FESTUS | GANNON DR | RT A | 30 | 12 | 0 |
| NON-CITY OR UNINCORPORATED | BUTLER HILL RD | I-55 | 33 | 11 | 0 |
| KANSAS CITY | 39TH ST | MAIN ST | 20 | 15 | 0 |
| ST LOUIS | WEST FLORISSANT AVE | IS 70 | 23 | 14 | 0 |
| ST LOUIS | DR MARTIN LUTHER KING DR | KINGSHIGHWAY BLVD | 29 | 12 | 0 |
| KANSAS CITY | MEYER BLVD | US 71 | 19 | 12 | 1 |
| O’FALLON | MEXICO RD | RT K | 35 | 10 | 0 |
| ST LOUIS | DELMAR BLVD | SKINKER BLVD | 35 | 10 | 0 |
| KANSAS CITY | 85TH ST | US 71 | 41 | 8 | 0 |
| WENTZVILLE | W PEARCE BLVD | WENTZVILLE PKWY | 53 | 4 | 0 |
| NON-CITY OR UNINCORPORATED | MEYER RD | US 67 | 19 | 15 | 0 |
| INDEPENDENCE | NOLAND RD | MO 78 | 22 | 14 | 0 |
| O’FALLON | MEXICO LOOP RD | RT K | 22 | 14 | 0 |
| ST LOUIS | GRAND BLVD | LAFAYETTE AVE | 22 | 14 | 0 |
| ST PETERS | MID RIVERS MALL DR | N ST PETERS PKWY | 22 | 14 | 0 |
| KANSAS CITY | INDEPENDENCE AVE | VAN BRUNT BLVD | 25 | 13 | 0 |
| KANSAS CITY | THE PASEO | I-70 | 34 | 10 | 0 |
