Device name(s): Turn Restrictions


Approximate Cost: $100 – $250 per sign

Definition: Turn restrictions may be implemented by posting signage and/or striping.¬† The purpose of turn restrictions is to prevent cut-through traffic or undesired turning movements from entering or exiting a street. ¬†Turn restrictions can be permanent or time specific. Theses restrictions include: “Do Not Enter”, “No Left Turn or No Right Turn” signs, etc. The time the restrictions are in effect can be varied for maximum effectiveness.This type of control device is most effective in areas where compliance can be expected to be high and enforcement is possible.

Fast Facts:

  • Can be used on Local Street- yes
  • Can be used on Collector- ues
  • Can be used on Arterial-yes
  • Reduces Speed- no
  • Reduces Volume- yes
  • Noise Impact- no
  • Restricts Access- yes
  • Bicyclist Impact- possible
  • Transit Impact- yes
  • Parking Impact- no
  • Emergency Response Impact- possible


  • reduces cut through traffic
  • low cost
  • can reduce non-local traffic
  • can be used to address safety issues


  • diverts traffic to adjacent street
  • effectiveness is subject to driver compliant; may require intermittent enforcement to remain effective
  • increases response time for emergency vehicle
  • can increase trip length
  • impedes access by resident
  • not as effective as self-forcing physical device