CITY OF RIVERSIDE
SPEED HUMP CRITERIA CHECKLIST
STREET : First St (1st St) DATE: 4/27/2025 SEGMENT: Mulberry St – Main St
Conditions outlined below must be met in accordance with the City of Riverside’s Neighborhood Traffic Management Program (NTMP) and established qualifying criteria:
PETITION REQUIREMENTS
DATA
CONFORMANCE
YES
NO
COMMENTS
Petition contains:
Signatures from a minimum of 70% of adjacent residents indicating support for speed hump installation (each parcel represents one vote)
17 of 22
X
77%
QUALIFYING & TRAFFIC DATA CRITERIA
ALL 8 MUST BE MET
The street segment must be a local residential street with no more than one lane in each direction and a minimum of ¼ mile in length:
13 or more buildings fronting one side of the street or 16 or more buildings fronting both sides of the street 1540’
(0.29 mi)
X
1360’ residential
(0.25 mi)
2. The legal speed limit is 25 MPH
25 MPH posted
X
3. Street width may not exceed 40 feet
36’
X
4. Street does not have a vertical grade of 8% or greater X
Max grade 1.6%
5. Street is not a cul-de-sac under 800 feet in length
X
6. Minimum average daily traffic volume of 750 vehicles 1106 ADT
X
8/21/2025
7. Maximum average daily traffic volume of 1,999 vehicles 1137 ADT
X
8/20/2025
8. Minimum combined 85th% speed of 37 MPH
35 MPH
X
Range 30-35
SUMMARY – ARE ALL 8 ABOVE CONDITIONS SATISFIED?
X
7 out of 8
Other Conditions (Fire Department, Ward location):
Ward 1
Location
RFD request – Speed Hump Type II (Plan 251)
Collision History Review:
2020 - 2025
8 collisions – 1 unsafe speed collision
Special Circumstances: