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Speed Hump Application [PDF]

Traffic Calming is the combination of mainly physical measures that reduce the negative effects of motor vehicle use, alter driver behavior and improve conditions for non-motorized street users. The immediate purpose of traffic calming is to reduce the speed and volume of traffic to acceptable levels for the functional class of a street and the nature of bordering activity.

Traffic Calming Measures Used in the City of Pittsburg

Speed Humps
The Speed Hump Policy [PDF] for the City of Pittsburg was adopted by City Council on June 4, 2001 and revised May 17, 2004. This policy allows a uniform standard to be applied to requests and the design of speed humps on residential streets. Speed “humps” are roadway design features intended to slow traffic. Each undulation is a 3-inch rise spread out over 14 feet (14’ Speed Hump Detail) or 22 feet (22’ Speed Hump Detail) based upon the existing roadway speed limit. The gradual rise reduces the jolt caused by a typical speed “bump”

Speed humps are used on residential local or collector streets with a speeding problem only after conventional methods of reducing speed have failed. These methods include police enforcement, use of the speed trailer, and other traffic control devices such as signage and striping. Click to see Traffic Calming Strategies [PDF] used prior to considering speed humps.

The City has adopted engineering criteria for speed hump eligibility. Only streets meeting the following criteria are eligible for speed humps: 

  • Residential local or collector streets 
  • Two or more other traffic calming strategies deemed ineffective by the City Engineer 
  • Not on a public bus route 
  • Improved streets with curb and gutter 
  • Posted speed limit of 25 or 30 mph 
  • 15% of traffic must be at least 6 mph greater than the existing speed limit 
  • The average daily traffic is more than 500 and no more than 3000 vehicles per day. 
  • Streets with a grade equal or less than 5 percent. 
  • The street segment shall be at least 750 feet long. 
  • The installation of speed humps shall not unduly affect response times of emergency services.

If you feel that your street/street segment meets ALL the criteria above, please complete and submit the Speed Hump Application [PDF] and attach a preliminary petition with signatures from 10 households or 10% of the households, whichever is greater, with side or front yards along the street who also approve of speed humps on their street. Staff will then review your application and perform an investigation.

If the street/street segment meets all of the preliminary requirements, you will be sent a final petition form, which will contain a list of all addresses for YOU to contact. Sixty-seven percent (67%) of all the street residents with side or front yards on the proposed street and within 100’ of the outside (or exterior) speed humps must approve of speed hump installations and the proposed location of the speed humps. If the local street meets all applicable warrants, and after staff verifies the final petition, they will make a recommendation to the Community Advisory Commission who shall in turn make a recommendation to the City Council for approval or disapproval for the installation of speed humps on a particular street or street segment. Click her to obtain a copy of the Speed Hump Information Form [PDF].  

Turn Restriction Signs
Turn restriction signs, as used in neighborhood traffic calming, can be “NO RIGHT TURN” or “NO LEFT TURN” signs, and are used to block or break up short-cutting traffic patterns on residential streets. The restrictions can be used with or without specified time periods, usually peak hours. Since these are passive devices, their success as a traffic calming measure depends on the amount of police enforcement and the driver demand for the restricted movement. Without enforcement, driver violation rates would likely be high, which generally leads to resident complaints and requests for constant enforcement. (Ventura Drive, North Park Connector Road)

“NO THRU TRAFFIC” signs are used in traffic calming to reduce commute/cut-thru traffic from using local streets to bypass traffic on arterials streets. The restrictions can be used with or without specified time periods, usually peak hours. Police enforcement of these signs is critical but also difficult, due to problems distinguishing local traffic from thru traffic. (Gladstone Drive, Pittsburg Heights Neighborhood, North Park Connector Road)

Half Street Closure
Half street closures are barriers that block travel in one direction for a short distance on otherwise two-way streets. Half closures is a volume control measure that is often used in sets to make travel through neighborhoods streets circuitous rather than direct. (Hawthorne Drive)

Bulb-outs can be constructed either at an intersection and/or mid-block in order to reduce the width of the travel way, thereby, both slowing and reducing traffic. Bulb-outs at intersections increases pedestrian safety by reduce the crossing length. (Fifth Street)

Median Islands
Temporary median islands with flexible delineators or “Q” markers have been implemented at several locations within the City to restrict a particular turn movement and/or provide additional safety at pedestrian crossings. It is the intent of the City to make these temporary islands permanent by constructing raised medians at these locations. (Railroad Avenue, Stoneman Avenue, Linscheid Drive, Century Blvd.).

Angled Parking
Angled parking can replace on-street parallel parking, thereby, increasing parking capacity and calming traffic. Travel lanes narrow, approach traffic is more alert to motorist backing out and pedestrian crossing distance is reduced. (Railroad Avenue, Downtown)









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Last updated: 3/2/2014 2:43:12 PM