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LALTAP Data Presentation Overview
for
Louisiana TransportationConference
CONFIDENTIAL INFORMATION - This document is exempt from
discovery or admission under 23 U.S.C. 409. Contact the
Traffic Safety Office at (225)379-1871 before releasing any
information.
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Presented by
Jason Taylor
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Difficulties Encountered
Lack of road data
Incomplete crash data
Limited exposure data
No AADT
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How do we identify the locations?
Systematic
Focus Points
Black Spot
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System wide
identified curves
overlaid in GIS
Current method
involves visual
curve identification
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Overlapped
Crashes withIdentified Curves
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Jefferson Focus RoadsCrash Locations with Injury and Causes
Due to Intersection BARATARIA PATRIOT
ESTALOTE
CANAL
FRANKLIN
KAWANEE
21ST
Due to Rear End collisions
HOLMES MANHATTAN
LAPALCO
WILLIAMS
DUKE
I 10 SERVICE N
POWER
Due to Roadway departures NICOLE
JEAN LAFITTE
RUE LOUIS PHILLIPE
CANAL
12TH JOE YENNI
CAUSEWAY BRIDGE
KENNER
Due to Right Angle collisions EISENHOWER
13TH
WILKER NEAL
KAWANEE
21ST
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What is going right and wrong
300% Increases or Worse 5TH
RICHLAND
LOUISIANA
DELAWARE
27TH
SERVICE
FOCIS
FAIRFIELD
MONROE
BRUIN
CALIFORNIA
BENGAL
ORION
LAKE VILLA
GARDEN
DANIELS
MISSISSIPPI
FARRINGTON
DOLHONDE HECTOR
*On streets with more than 20 crashes
50% Reduction or Better
NAPOLEON W RUE LOUIS PHILLIPE
PRIVATEER
FRANKLIN
PROMENADE
AIRPORT ACCESS
4TH
PALLET
8TH BRIDGE CITY
AUGUST
WESTWOOD
METAIRIE W
NINE MILE POINT
JAMIE
ELMWOOD PARK DIVISION
*On streets with more than 20 crashes
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Safety Coalitions
Independently formed as a result of the SHSP
Stakeholders Create Own Safety Plan
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Data PresentationsWho?
Type of Collision Area Crahses State Crashes Area % State % Rati
o to State
Not Reported 498 3434 0.56% 1.40% 0.40
Non Coll 3579 29680 4.05% 12.06% 0.34Rear End 23935 61373 27.09%
24.94% 1.09
Head on 1420 4447 1.61% 1.81% 0.89
Rt Angle 15281 42111 17.30% 17.11% 1.01
Left Turn-e 1857 5207 2.10% 2.12% 0.99
Left Turn-f 1997 7584 2.26% 3.08% 0.73
Left Turn-g 2163 5253 2.45% 2.13% 1.15
Right Turn-h 1728 3707 1.96% 1.51% 1.30
Right Turn-i 479 2234 0.54% 0.91% 0.60
S Swipe(sd) 12635 23746 14.30% 9.65% 1.48
S Swipe(od) 2086 7454 2.36% 3.03% 0.78
Z 20677 49839 23.41% 20.25% 1.16
What?
When?
*Courtesy of LSU H.S.R.G.
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How?Road Assessments Engineering
Recommendations
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Questions?
