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Divya Nagananda and Dr. Emelinda M. Parentela California State University, Long Beach June 26, 2012 Santa Barbara ITE 2012 An Evaluation of Bike Lanes.

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Presentation on theme: "Divya Nagananda and Dr. Emelinda M. Parentela California State University, Long Beach June 26, 2012 Santa Barbara ITE 2012 An Evaluation of Bike Lanes."— Presentation transcript:

1 Divya Nagananda and Dr. Emelinda M. Parentela California State University, Long Beach June 26, 2012 Santa Barbara ITE 2012 An Evaluation of Bike Lanes

2 Overview Santa Barbara ITE 2012 Introduction Study Area Data Collection Analysis (Accident and Statistical) Online Survey Conclusions

3 Introduction Santa Barbara ITE 2012 City of Long Beach Bicycle Master Plan Bicycle Classes – Class I – Class II – Class III

4 Bicycle Classes Santa Barbara ITE 2012 Class I Bicycle Lane Class II Bicycle LaneClass III Bicycle Lane Source: Alta Planning + Design, 2009

5 Study Area Santa Barbara ITE 2012 Class I - 3rd Street between Daisy Avenue and Atlantic Avenue

6 Study Area Santa Barbara ITE 2012 Class II – 2 nd Street between Livingston Drive and Pacific Coast Highway

7 Study Area Santa Barbara ITE 2012 Class III - Pacific Coast Highway between Los Coyotes Diagonal and Orange Avenue

8 Data Collection Santa Barbara ITE 2012 Accident Data

9 Bicycle Accident Location – 3 rd Street Santa Barbara ITE 2012

10 Bicycle Accident Location – 2 nd Street Santa Barbara ITE 2012

11 Bicycle Accident Location – Pacific Coast Highway Santa Barbara ITE 2012

12 Accident Analysis – Primary Cause Santa Barbara ITE 2012

13 Accident Analysis – Primary Cause Santa Barbara ITE 2012

14 Accident Analysis – Primary Cause Santa Barbara ITE 2012

15 Accident Analysis Santa Barbara ITE 2012 Day versus Night

16 Statistical Analysis Santa Barbara ITE 2012 Student T-test No significant differences by year in the number of accidents on all locations EXCEPT  SIGNIFICANT - 2 nd Street – 2009 Might have caused confusion among motorists and bicyclists 2010 - reduction in the number of accidents Green lane with sharrows is helpful in improving the safety of bikers and motorists Insufficient data to draw definite conclusion

17 Online Survey Santa Barbara ITE 2012 Online survey via Kwiksurveys.com Focused on issues related bicycling trend and safety Reached through various bicycle coalitions Got about 90 responses

18 Online Survey Responses – Quick Look Santa Barbara ITE 2012 88% respondents rode bicycles

19 Online Survey Responses – Quick Look Santa Barbara ITE 2012

20 Online Survey Responses – Quick Look Santa Barbara ITE 2012 Bicycling Frequency 37% - 5 to 7 days in a week 29% - 1 to 4 days in a week 34% - Couple of days in a month Bicyclist in a Collision 21% - Motor Vehicles 5% - Other Bicyclists 5% - Pedestrians 15% - No bike lanes 5% - Sidewalk; 3% - Crosswalk

21 Online Survey Responses – Quick Look Santa Barbara ITE 2012 Most Common Problems 32% - Not sharing the roadway 32% - Inadequate bicycle lanes/facilities 13% - Vehicles parked on the bicycle lanes 11% - Another bicyclist on the wrong side 6% - motorists opening door without checking Bicycle Class prone to accidents 40% - Class III 35% - Class II 5% - Green lanes with sharrows; 5% - Class I 15% - No Answer

22 Online Survey Responses – Quick Look Santa Barbara ITE 2012 Overall Improvements to Enhance Safety 36% - More bicycle lanes 29% - Drivers should be more considerate 19% - Traffic calming measures 6% - Better traffic signals 2% - Better street lighting 8% - No answer

23 Conclusions Santa Barbara ITE 2012 Research in Progress Data Still in the Process of Analysis Per Initial Analysis Class III – highest number of accidents Felt to be the least safe Primary Cause varies with Class Class III – due to motorists, pedestrians & wrong side of the road Class II – mostly due to motorists

24 Acknowledgements Santa Barbara ITE 2012 Staff, City of Long Beach  Mr. David Roseman,  Mr. Alan Crawford, and  Mr. Steve Tweed Online Survey Respondents


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