Crash Data Collection, Analysis & Response

2013 Traffic Safety Conference

Crash Data Collection, Analysis & Response

Information on Report to the State

Date Service # RSYS HNUM Location Type DISP ARR I/C TOTAL OBST

1/14/2012 12-007777 IH 30 HOTEL Minor Acc 22:05 22:13 22:55 8 42

Dallas County Sheriff's Office Freeway Management Section

Time Statistics Report 2012

ALL Crashes - Total Records: 5158


1/1/2012 12-000050 IH 30 HOTEL Major Acc 01:45 01:48 02:32 3 44

1/1/2012 12-000031 LR STEMMONS Major Acc 00:56 01:04 01:37 8 33

1/1/2012 12-000082 IH 30 LAMAR Minor Acc 03:22 03:22 04:11 0 49

1/1/2012 12-000079 IH 35 CONTINENTAL Minor Acc 03:15 03:23 03:24 8 1

1/1/2012 12-000117 LR BELT LINE Minor Acc 07:09 07:21 08:20 12 59

1/1/2012 12-000102 IH 20 COCKRELL HILL Major Acc 04:35 04:47 05:31 12 44

1/1/2012 12-000164 US 80 EAST FORK Major Acc 13:49 13:55 14:42 6 47

1/1/2012 11-000214 IH 35 COLORADO Major Acc 14:29 14:33 14:55 4 22

1/1/2012 12-000220 IH 35 EIGHTH Minor Acc 17:42 17:54 17:54 12 0

1/1/2012 12-000276 IH 30 BUCKNER Major Acc 21:04 21:08 21:45 4 37



ALL Crashes - Total Records: 5158

Date Service # RSYS

HNUM Location Type DISP ARR I/C TOTAL OBST


1/1/2012 12-000031 LR STEMMONS Major Acc 00:56 01:04 01:37 8 33


12/31/2012 12-189167 IH 30 ERVAY Minor Acc 14:17 14:17 15:40 0 83

12/31/2012 12-189186 US 175 BEXAR Minor Acc 15:05 15:23 15:23 18 0

12/31/2012 12-189203 IH 20 PATRIOT Major Acc 17:09 17:21 17:21 12 0

12/31/2012 12-189296 IH 35 CONTINENTAL Major Acc 23:15 23:20 23:46 5 26

12/31/2012 12-189298 LR MICHAEL Minor Acc 23:16 23:20 23:20 4 0

TOT: 40688 10262

# Injured: 2092 # Killed: 34 AVG: 7.889 23.90



IH-30 - Total Records: 1369

Date Service # RSYS HNUM

Location Type DISP ARR I/C TOTAL OBST



1/14/2012 12-007777 IH 30 HOTEL Minor Acc 22:05 22:13 22:55 8 42

12/31/2012 12-189167 IH 30 ERVAY Minor Acc 14:17 14:17 15:40 0 83

12/31/2012 12-189170 IH 30 CARROLL Minor Acc 14:36 14:54 14:54 18 0

12/31/2012 12-189179 IH 30 ST FRANCIS Minor Acc 14:47 15:00 15:00 13 0

12/31/2012 12-189189 IH 30 COCKRELL HILL Major Acc 15:32 15:33 15:34 1 1

12/31/2012 12-189202 IH 30 BECKLEY Minor Acc 17:05 17:14 17:40 9 26

TOT: 11154 25872

# Injured: 497 # Killed: 7 AVG: 8.147 18.89

Crash Analysis


2/16/2012 12-026421 IH 30 AKARD Minor Acc 17:46 17:59 18:03 13 4





3/5/2012 12-035855 IH 30 AKARD Major Acc 07:01 07:23 07:43 18 24







4/30/2012 12-067175 IH 30 AKARD Major Acc 17:24 17:30 18:32 6 62





IH-30 - Total Records: 1369




1/20/2012 12-010816 IH 30 BECKLEY Minor Acc 07:49 07:53 07:56 4 3

1/20/2012 12-011127 IH 30 BUCKNER Fatality/ 15:53 16:02 18:02 9 120

1/20/2012 12-011136 IH 30 ST. FRANCIS Minor Acc 15:53 15:59 16:47 6 48

1/22/2012 12-012302 IH 30 JIM MILLER Major Acc 18:15 18:29 18:33 14 4

1/22/2012 12-011896 IH 30 JIM MILLER Minor Acc 18:16 18:29 18:33 13 4

1/25/2012 12-013657 IH 30 RIVERFRONT Minor Acc 23:24 23:24 23:28 0 4

1/25/2012 12-013681 IH 30 RIVERFRONT Minor Acc 23:24 23:27 00:02 3 35

Secondary Crash Analysis

Crash Analysis

• Each month. • Look at top locations and top causes. • Strategies developed each month and

reevaluated each month by Watch.

Tom Landry Frwy. (IH30) @ Riverfront Blvd IH 35 @ Medical District Blvd. Tom Landry Frwy. (IH30) @ Cockrell Hill Tom Landry Frwy. (IH30) @ Beckley R L Thornton (IH35) @ Illinois Driver Inattention: Failed to Control Speed / Speeding Over Limit / Speeding

Unsafe: Changed Lanes When Unsafe: Involved Alcohol / Drugs

1st Watch – Nights - Jan 2012

IH30 @ IH45 – DRIVER INATTN; FAIL TO DRV SNGL LN;

UNSAFE LN CHNG IH30 @ Lawnview – FOLLOWED TOO CLOSELY; DRIVER

INATTN; FAIL TO DRV SNGL LN IH30 @ Winslow - CHANGED LANES WHN UNSAFE; FAULTY

EVASIVE ACTN; FOLLOWED TOO CLOSELY IH30 @ Dolphin – DRIVER INATTN; FAILED TO CNTRL

SPEED IH35@ Colorado – DRIVER INATTN; FATIGUED / ASLEEP;

UNSAFE LN CHNG

1st Watch – Nights - Feb 2012

R L Thornton (IH30) @ Jim Miller IH 35 @ Colorado Tom Landry Frwy. (IH30) @ Beckley LBJ Frwy. (IH 20) @ Cockrell Hill Stemmons Frwy. (IH35) @ Inwood Followed Too Closely: Faulty Evasive Action: Driver Inattention: Failed to Control Speed / Speeding Over Limit / Speeding

Unsafe

2nd Watch – Days - Jan 2012

IH35 @ Continental – DRIVER INATTN; FOLLOWED TOO

CLOSELY; BACKED WITHOUT SAFETY IH35 @ Oak Lawn – CHNGD LNS WHEN UNSAFE; DRIVER

INATTN; HAD BEEN DRINKING IH35 @ Market Center – FAILED TO CONTROL SPD; DRIVER

INATTN; FAULTY EVASV ACTION IH35 @ Commerce – CHNGD LNS WHEN UNSAFE; DRIVER

INATTN; FOLLOWED TOO CLOSELY IH35 @ Colorado – FAULTY EVASIVE ACTION; FOLLOWED

TOO CLOSELY; FAILED TO PASS SAFELY

2nd Watch – Days - Feb 2012

IH 35 @ Commerce IH35 @ Continental IH 20 @ Bonnie View IH 20 @ Patriot Pkwy. IH30 @ Ervay and Field Followed Too Closely: Failed to Control Spd / Speeding / Speeding Unsafe Driver Inattention: Changed Lanes When Unsafe: Involved Alcohol or Drugs

3rd Watch – Evenings - Jan 2012

IH35 @ Continental – FOLLOWED TOO CLOSELY; FAILED TO

CONTROL SPD IH35 @ Woodall Rodgers – DISTRACTION IN VEHICLE;

CHNGD LANES WHEN UNSAFE; DRIVER INATTN IH35 @ Ewing – DRIVER INATTN; FOLLOWED TOO

CLOSELY; FAILED TO CONTRL SPD IH35 @ Riverfront – FAILED TO CNTRL SPD; FOLLOWED

TOO CLOSELY; CHNGD LNS WHEN UNSAFE IH35 @ Commerce – CHNGD LANS WHEN UNSAFE;

DISABLED IN TRAFFIC LANE; FAILED TO CNTRL SPD

3rd Watch – Evenings - Feb 2012

IH35 @ Royal - Followed Too Closely; Driver Inattention;

Failed to Control Speed; Cell Phone Use IH35 @ Walnut Hill - Followed Too Closely; Driver Inattention;

Disabled Vehicle in Traffic Lane; Failed to Control Speed IH35 @ Continental - Followed Too Closely; Driver Inattention IH35 @ Commerce - Changed Lanes When Unsafe; Followed

Too Closely; Failed to Control Speed; Driver Inattention IH30 @ Ferguson - Followed Too Closely; Changed Lanes

When Unsafe

January and February 2013

Cesar Chavez

23 crashes 01-01-2011 / 01-01-2012

Issue: Crashes Occurring in Canyon Due to: Merging Confusion; Lane Conflict ; Traffic Volume @ Cesar Chavez and H. O. V. Exit

Cesar Chavez

Proposed Solution: Close Cesar Chavez During Morning Rush; Reduce Single Occupant Violators From H. O. V. Lane

2 crashes 01-01-2012 / 12-31-2012

Entrance Ramp @ St. Francis Ave.

H.O.V. Entrance

19 crashes 01-1-2011 / 01-1-2012

At 60 m.p.h., it takes 9.4 seconds to travel 848 feet

Issue: St. Francis Ave. Entrance Ramp Too Close To H. O. V. Entrance

21 crashes 01-01-2012 / 12-31-2012

Entrance Ramp @ St. Francis Ave.

H.O.V. Entrance

Proposed Solution: Close St. Francis Ave. Ramp During Morning Rush; Reroute Traffic to Service Road

22.7% reduction in fatal crashes from 44 persons killed in 2010 to 34 in 2011 and 2012 remained the same.

Thirty specialized operations: Super Bowl XLV, Safe and Sober Grant Operations, High Intensity Drug Trafficking Area initiatives, Hazardous Material initiatives, Dallas Mavericks NBA Championship post game celebration, Dallas Mavericks NBA Championship Parade.

Response time to freeway crashes (8.3 minutes in 2011, up from 7.8 in 2010) (30 seconds). 7.9 minutes in 2012 (6%).

Clearance in 2011 24.27 up from 23.87 in 2010 (20 seconds) and 23.9 in 2012 (22%).

2012

Documents

Crash Data Collection, Analysis & Response