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An Analysis  of  Dangerous  School  Zones  and  Safer     Transporta8on  Alterna8ves  in  Manha;an,  NY  

Study: -­‐There  are  areas  with  a  higher  risk  of  injury.     -­‐There  are  areas  with  no  access  to  PB  tracks.   The  best  way  to  demonstrate  that  certain   areas  of  the  city  in  dire  need  of  Protec>ve   Bike  Tracks  don’t  actually  possess  them  was   to  set  up  a  visual  juxtaposi>on.    

“The number  of  students  walking  or  biking  to  and  from  school  has   decreased   by   more   than   50   percent   between   1969   and   2010.   The   study   allocates   responsibility   for   the   general   drop-­‐off   on   growing   street  traffic,  local  percep8ons  of  crime,  the  weather  and  the  overall   propensity  for  child  injuries.”                    -­‐Na*onal  Household  Travel  Survey    

Ques8on 1:   Are  there  areas  in  the  city     near  schools  with  a  high     propensity  for  bike-­‐vehicle   crash  incidence?    

Ques8on 2:   If  so,  what  is  the  rela>on  of   these  areas  to  the  Protec>ve   Bike  Routes  and  Greenway  Bike   Routes  provided  by  the  MTA?    

Variables   The   study   is   grounded   on   a   three-­‐pronged   analysis   of   the   social   condi>ons   in   Manha@an.   Seeking   to   reconstruct   the   most   ‘dangerous’  school  zones  in  Manha@an,  it  was  essen>al  to  choose   variables   that   most   accurately   signified   the   problema>c   aspects   of   transporta>on   to   and   from   school   in   an   urban   seLng.   All   of   these   would   necessitate   direct   engagement   with   a   per>nent   dataset.   Ul>mately,   school   par*cipa*on,   incidence   of   bicycle-­‐ vehicle  collision  and  the  rela>ve  posi>on  of  Protec*ve  Bike  tracks   were  chosen  to  be  the  factors  at  play;  prominence  of  the  first  two   variables   and   absence   of   the   la@er   variable   were   employed   as   benchmarks  for  the  defini>on  of  a  ‘dangerous’  school  zone.       Adverse,  Non-­‐PB   Condi8ons  


Resultant Op8mal  Zones     -­‐Broadway,  from  Harlem  to  SoHo   -­‐Large  Por>ons  of  the  East  Side   -­‐Lower  East  Side   -­‐Central  Harlem/  “Polo  Grounds”   -­‐Lincoln  Square   -­‐Upper  East  Side   -­‐Morningside  Heights  

Restructured, PB   Condi8ons  

Resul8ng Visualiza8ons  and  Discussion   Comparing   the   images   produced   by   the   selected   data,   it   is   evident   that   the   problem   of   Bike   safety   is   addressed   inadequately   in   the   City   of   New   York.   Admi@edly,   there   are   severe   restric>ons   that   hinder   the   prospect   of   dras>c   spa>al   redistribu>on  in  the  city’s  roads;  every  bike-­‐specific  track  set  up   in   the   city   involves   considerable   organiza>on   and   support.   However,   in   a   >me   when   bike   culture   progressively   looks   to   be   the   best   op>on   for   transporta>on   of   the   general   popula>on,   programs   that   foster   the   safest   kind   of   ac>vity   should   be   encouraged.    

Luis Miguel  Pizano-­‐Andrade  -­‐  URBS  V2200.001  -­‐  May  8,  2012                

Safety in an Unsafe Site  

Provocation and Projection for Protective Bike Lanes in Manhattan. Based on Arc-GIS research and data provided by various open-source platf...

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