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December 1, 2009 SR 141 and I-95 Interchange Study Safety Analysis Reviewed 342 crashes along SR 141 within study limits over 5 year period. For clusters, data was analyzed for: Surface conditions Lighting conditions Collision type Contributing factor

Transportation Needs StudySR 141 and I-95 Interchange Study December 1, 2009 Safety Analysis Reviewed 342 crashes along SR 141 within study limits over 5 year period. For clusters,

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Page 1: Transportation Needs StudySR 141 and I-95 Interchange Study December 1, 2009 Safety Analysis Reviewed 342 crashes along SR 141 within study limits over 5 year period. For clusters,

December 1, 2009SR 141 and I-95 Interchange Study

Safety Analysis

Reviewed 342 crashes along SR 141 within study limits over 5 year period.

For clusters, data was analyzed for:Surface conditionsLighting conditionsCollision typeContributing factor

Page 2: Transportation Needs StudySR 141 and I-95 Interchange Study December 1, 2009 Safety Analysis Reviewed 342 crashes along SR 141 within study limits over 5 year period. For clusters,

December 1, 2009SR 141 and I-95 Interchange Study

Crash Analysis

Rear End 66

Total 85

Rear End 72

Total 97

Red LightRunning

10

Total 38

Fixed Object 7

Total 9

Fixed Object 9

Total 14Rear End 14

Total 18

Page 3: Transportation Needs StudySR 141 and I-95 Interchange Study December 1, 2009 Safety Analysis Reviewed 342 crashes along SR 141 within study limits over 5 year period. For clusters,

December 1, 2009SR 141 and I-95 Interchange Study

Condition Assessment

Bridges originally constructed in 1963.Relocated a pier for all 4 bridges in 1982.Introduced pin and hinge detail to lengthen Bridge 1‐675 and 1‐678.Shoulder on Northbound I‐95    under SR 141 bridges was  removed for widening.Recommendation:o All SR 141 bridges over I‐95 should be considered for major rehabilitation or replacement as part of improvement project.