Revised
Policies and Guidelines on Installation of Undulations, Other Traffic Calming Devices and, Preferential Parking Districts

	Policies	
  1	 Use on streets where posted speed limit is 25 mph.	
  2	 City to determine limits of the area noticed for the project.	
  3	 ITE Guidelines are the basis for the proposed guidelines and will be used to supplement these city guidelines.	
  4	 At least 67% of the responding residents must approve the installation of undulations, and at least 50% of the residents should respond to the survey.	
  5	 Not on a bus route.	
  6	 Requires Police and Fire Departments’ approval (for the traffic calming measures), Safety Advisory Commission recommendation, and City Council approval.	
  7	Requires residents (occupant owners or tenants) to volunteer to have the undulation installed in front of their properties.	
  8	•	Notify property owners of the proposed survey.	
  9	•	An unsuccessful survey may not be repeated for at least 18 months.	
10	•	There will be one vote per address.	
	Guidelines	
  1	•	Neighborhood petition signed by 50% of the addresses is required to initiate the process.	
  2	•	Removal requires installation for at least 18 months and 67% approval of the responding residents, favoring removal, with at least 50% of the residents responding to the survey.	
  3	 Neighborhood petition should indicate the addresses that are interested in having the undulation in front of their residences.	
  4	 Number of undulations installed based on street length and guidelines published by the Institute of 
   Traffic Engineers (ITE):	
-One undulation for streets less than 500 feet long.
-Multiple undulations for streets longer than 500 feet.
-May be installed in advance of curves in certain conditions.	
  5	•	Should be a local street.	
  6	 May be removed at any time if identified as a traffic hazard by the City Engineer.	
  7	 Priority given to streets adjacent to elementary schools or parks.	
  8	•	The City will pay for the cost of installation and removal of undulations, as part of the Traffic Calming budget, based on available funding.	
  9	 Traffic conditions:
    -Average Daily Traffic (at least 500 vpd and not to exceed 3,000 vpd).
    -Number of vehicles exceeding speed limit and critical speed.
-85th percentile speed is greater than 32 mph if not in a school zone (as defined in the Caltrans Traffic Manual or California Vehicle Code) or near a park.
- Proposed installation should not move “problem” to another area.	

Approved by City Council on April 9, 1997.	
Revised and Approved by City Council on February 6, 2002			

Excerpt: j:\pw\trn\sac.jdf\ccreport\undulati.pol   1/98
j:\pw\trn\undulatn.pol  (revised 4/1/98)
J:\PW\TRN\TRAFFIC\undulatn.pol.doc
J:\PW\TRN\TRAFFIC\revised undulation policy.doc