Traffic Calming Data
Collecting vehicle volume and speed data is an integral part of our Traffic Calming Program. We collect this data using radar during the application process for traffic calming on a proposed street. If a street is selected and traffic calming measures are installed, after data is collected to determine how well the measure has performed. Please see our webpage for more information about the Neighborhood Traffic Calming Program.
If you have any questions about the Traffic Calming Program please email us at trafficcalming@pittsburghpa.gov
Please use this search bar to find your street or filter by the type of traffic calming by searching “Speed Humps” or “Road Diet”. You can also search for your neighborhood or council district to find out about traffic calming projects in your area. For more information about this table’s contents please see the glossary at the bottom of this page.
Street Name |
Project Type | 85th Percentile Speed (MPH) |
% of Drivers Speeding |
Average Daily Trips (ADT)* |
Location |
---|---|---|---|---|---|
Bausman Street | Speed Humps | Before: 34 After: 22 Change: -12 |
Before: 82% After: 4% Change: -78% |
Before: 7,119 After: 4,748 |
Council District 3 Knoxville |
Beechwood Boulevard At 1930 Beechwood |
Speed Humps | Before: 38 After: 36 Change: -2 |
Before: 96% After: 94% |
Before: 5,700 After: 5,015 |
Council District 5 Squirrel Hill South |
Beechwood Boulevard At 2050 Beechwood |
Speed Humps | Before: 32 After: 30 Change: -2 |
Before: 96% After: 49% Change: -2% |
Before: 5,140 After: 5,262 |
Council District 5 Squirrel Hill South |
Black Street | Speed Humps | Before: 36 After: 26 Change: -10 |
Before: 97% After: 15% Change: -82 |
Before: 7747 After: 3975 |
Council District 9 Garfield/East Liberty |
Boundary Street | Speed Humps | Before: 35 After: 30 Change: -5 |
Before: 87% After: 47% |
Before: 3,692 After: 3,776 |
Council District 3 Oakland |
Broad Street From East Liberty Boulevard To Centre Avenue |
Road Diet | Before: 40 After: 37 Change: -3 |
Before: 90% After: 81% |
Before: 8,950 After: 7,710 |
Council District 9 East Liberty, Larimer |
California Ave (at Bainton St) |
Speed Humps | Before: 41 After: 27 Change: -14 |
Before: 94% After: 27% |
Before: 2,679 After: 2,157 |
Council District 1 Brighton Heights |
California Ave (at Marvista St) |
Speed Humps | Before: 43 After: 28 Change: -15 |
Before: 97% After: 35% Change: -62% |
Before: 5,259 After: 5,036 |
Council District 6 California- Kirkbride |
Chateau Street | Line Diet | Before: 45 After: 42 Change: -3 |
Before: 99% After: 97% Change: -2 |
Before: 9450 After: 6641 Change: -29% |
Council District 6 Manchester |
Darlington Street | Speed Humps | Before: 30 After: 24 Change: -6 |
Before: 48% After: 8% |
Before:1,110 After: 570 |
Council District 5 Squirrel Hill South |
Edmond Street | Speed Humps | Before: 30 After: 24 Change: -6 |
Before: 45% After: 8% Change: -37 |
Before: 1,150 After: 870 |
Council District 7 Bloomfield |
Frankstown Avenue At Lincoln Avenue |
Painted Bumpouts Pedestrian Islands |
Before: 35 After: 21 Change: -3 |
Before: 79% After: 64% |
Before: 7,500 After: 6,794 |
Council District 9 Larimer |
Grandview Avenue At Kearsage Street |
Temporary Speed Humps | Before: 33 After: 28 Change: -4 |
Before: 61% After: 32% |
Before: 3,804 After: 3507 |
Council District 2 Mount Washington |
Heberton Street | Speed Humps | Before: 33 After: 31 Change: -2 |
Before: 64% After: 39% |
Before: 904 After: 1,078 |
Council District 7 Highland Park |
Jacob Street | Speed Humps | Before: 35 After: 27 Change: -8 |
Before: 85% After: 23% |
Before: 1,767 After: 1,625 |
Council District 4 Brookline |
Maytide Street | Speed Humps | Before: 41 After: 30 Change: -11 |
Before: 99% |
Before: 8,470 After: 6,470 |
Council District 4 Carrick |
Melwood Avenue | Speed Humps | Before: 29 After: 26 Change: -3 |
Before: 40% After: 17% |
Before: 870 After: 1,200 |
Council District 7 Polish Hill |
Mission Street | Speed Humps | Before: 30 After: 21 Change: -9 |
Before: 80% After: 22% Change: -58 |
Before: 1,231 After: 871 |
Council District 3 South Side Slopes |
Parkfield Street | Speed Humps | Before: 31 After: 28 Change: -3 |
Before: 43% After: 32% Change: -11 |
Before: 2,887 After: 1468 |
Council District 4 Carrick |
Saline Street At Federal Hill Street |
Speed Humps | Before: 28 After: 23 Change: -5 |
Before: After: 6% |
Before: 1,050 After: 1,180 |
Council District 5 Squirrel Hill South |
Saline Street At Lilac Street |
Speed Humps | Before: 29 After: 25 Change: -4 |
Before: After: 11% |
Before: 975 After: 720 |
Council District 5 Squirrel Hill South |
Spokane Avenue | Speed Humps | Before: 33 After: 25 Change: -8 |
Before: 66% After: 13% Change: -53 |
Before: 1,526 After: 868 |
Council District 4 Carrick |
Venture Street | Speed Humps | Before: 73% After: 15% |
Before: 1,328 After: 693 |
Council District 1 Perry North |
|
Webster Avenue | Speed Humps | Before: 32 After: 25 Change: -7 |
Before: 66% After: 15% |
Before: 1,529 After: 1,532 |
Council District 6 Middle Hill |
*Changes in average daily trips may be impacted by factors such as weather and holidays.
Glossary:
Street Name: This is the location of the new traffic calming measure
Project Type: This is the type of traffic calming measure that was installed, typically speed humps or a larger road diet.
- Speed Humps: These are raised surfaces on a roadway typically installed at intervals to reduce excessive motorist speeds. They are typically 3-4 inches in height, have approach and exit ramp lengths of 2-6 feet, and may extend along a majority of the width of the roadway. Dimensions vary depending on the amount of speed reduction needed to obtain a median speed equal to the legal speed limit, or posted advisory speed limit.
- Road Diet: This is a lane restriping project that reduces travel lane widths and/or changes lane uses. Alternate cross-sections may include the addition of dedicated left-turn lanes, on-street parking, bicycle facilities, raised medians, or sidewalks. A common application converts a four-lane, two-way roadway to a three-lane roadway – one through-lane in each direction with designated left turn lanes. The goals of a road diet project may include reducing excessive motorist speeds, maintaining the existing vehicle capacity of the street, increasing the efficiency of other modes, and increasing safety for all users.
Median Speed (MPH): This is the middle number from the recorded speeds and is different from an average because it is not weighted by the total number of vehicle trips and does not represent the most common speed.
The three numbers are the median speed before traffic calming measures were installed, after they were installed, and the difference between these two speeds.
All speeds are measured in miles per hour.
85th Percentile Speed (MPH): This is the speed that the majority (85%) of drivers traveled at or less than, this means 15% of drivers traveled faster than this speed.
The three numbers are the 85th percentile speed before traffic calming measures were installed, after they were installed, and the difference between these two speeds.
All speeds are measured in miles per hour.
% of Drivers Speeding: This is the percentage of the total number of vehicle trips traveling over the posted speed limit.
The two numbers are the percentage of drivers speeding before traffic calming measures were installed, and after they were installed.
Average Daily Trips (ADT): This is the average of the vehicle trips recorded each day, this is not the number of unique vehicles or drivers and this counts vehicles traveling in both directions.
Location: This is the Council District(s) and Neighborhood(s) where the street is located.