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SMART TRAFFIC SIGNALS.

SOON ,  DELHI  WILL  have  smart  traffic  signals  that  will measure   traffic  pressure on  stretch   and   change  signals  on  it  accordingly .Traffic  police  will  study  its  effectiveness  during  peak   hours.
Police  will  soon  issue  tenders  for  installing  the  system at  various  spots  in  the  capital   including  India  Gate,  Con naught  place  and  Nilson Mandela Marg .
Under  this  system ,  the  smart  traffic  signals   will  have  remote  sensors   which   will  communicate  with  other  nearby  signals  to  control the  traffic  flow  at  a particular   intersection.
At present ,  traffic signals  are  controlled   through   preset  timing  system  which  at  times,  results  in  pileups   during  peak  hours  or  induce  drivers  to   skip    signals  during  lean  hours.
Every  time there  is a   jam   at  a particular   crossing , some   one goes  and  analyzes  the  pressure  of   vehicles   and  adjust  the  signals' times  manually.The  real   problem  arises  when  one  of   them  breaks  down.The    entire  system 
must  be  shut  down  until  the  signal  is  repaired.But  under   the   smart  signalling  system, if  one  signal   breaks  down ,  the  other   will  keep  functioning  because   each one  works  independently .What's  more , police  at  control rooms  can  identify  a  faulty  signal instantly,  if  one  of  them  breaks  down.The  smart  signals  with  independent  power systems  have  inbuilt   antennas  and  sensors  that   relay a  change  of  traffic  light  to  the next  post  ,which , in turn  respond  automatically.  
In case  of   a  road , which  has  signals  arranged  in  close succession  , a  driver  must  stop    at  every  crossing  as  timing  of  all   signals   can not  be  synchronized  due  to  heavy  traffic pressure   on  connecting  roads.But  under  the  new  system  if  there  is  one  car  waiting  at  the  signal  when  connecting  roads  are   empty, it  will  turn  green ,a traffic  official  said.
Benefits  of  smart  signals - 
  • These  are  armed  with   remote sensors  that  automatically    regulate  signal  cycles   depending upon  the  traffic  volume.
  • These  signals  don't  have   wires,  so  there  is no  chance  of  malfunction    due  to  cable  damage,  which  is  often  the  case  with  regular  signals.
  • They  have  their  own     power  backup   in    the  form  of  inverters or  solar  batteries .
Shortcoming  of  regular  signals.
  • These  without   charger   switch off  during power cuts, so  traffic  goes  unregulated or  some one  has  to  do  it  manually.If  one  signal  is  affected  ,all   connected signals  shut down.
  • Wire  often  get  damaged, mostly   due  to patchy civic  work.
  • These  are  timed  manually  and  traffic  volume  is   not  taken  into  account .Thus  ,there  are  snarls during peak  hours  and  jaywalkers  on  the  road. 
 I   urge  Uttrakhand  Police   to  introduce   smart traffic signals   in   Dehra Dun ,  to  ensure  a  better   traffic management  of  the  city.And  to  avoid congestion    and traffic  jams.  This  could help  in   solving   traffic  problems   in   Doon   with ever increasing  number  of  vehicles  on   Capital's  roads. 








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