1. Warrant based on level of service calculations.
2. NB, SB, EB, WB = Northbound, Southbound, Eastbound, Westbound.
3. N/A = Not Applicable - this evaluation does not apply to that approach.
4. Delays of over 3,000 seconds reduced to exactly 3,000 seconds for this warrant evaluation.
Min. Approach Delay? Min. Approach Vols?
Intersection #7
Abbott Street / Spicer Street
Abbott St Spicer St Warrant
North/South East/West Met?
A. Existing AM 1764 47 No
B. Existing PM 1802 3 No
C. Ex+Pro AM 1904 47 No
D. Ex+Pro PM 2033 3 No
E. CumNoPro AM 2535 55 No
F. CumNoPro PM 2802 10 No
G. Cum+Pro AM 2675 55 No
H. Cum+Pro PM 3033 10 No
I. 12:00 AM 0 0 No
J. 12:00 AM 0 0 No
K. 12:00 AM 0 0 No
L. 12:00 AM 0 0 No
M. 12:00 AM 0 0 No
N. 12:00 AM 0 0 No
O. 12:00 AM 0 0 No
P. 12:00 AM 0 0 No
Notes:
1. 150 VPH applies as the lower threshold volume for a minor street approach with two or more lanes and 100 VPH applies as the lower threshold volume for a minor street approaching with one lane.
2. Bold line applies to intersection geometry.
3. High northbound and southbound right turn volumes are removed from warrant evaluation.
Scenario
0 100
200
300
400
500
600
700
400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800
MINOR STREET (VPH)
HIGH VOLUME APPROACH
MAJOR STREET (VPH)
TOTAL OF BOTH APPROACHES
CALTRANS PEAK HOUR VOLUME SIGNAL WARRANT (Urban Areas)
2 OR MORE LANES (MAJOR) & 1 LANE (MINOR)
OR 1 LANE (MAJOR) & 2 OR MORE LANES (MINOR)
2 OR MORE LANES (MAJOR) & 2 OR MORE LANES (MINOR)
1 LANE (MAJOR) & 1 LANE (MINOR)
B, D, F, H
C, E,
GA
Warrant 3 (Part B) - Peak Hour Delay
#7 - Abbott Street / Spicer Street
Number of Approaches to Intersection: 3 approaches Minimum Entering Vehicles: 650 vehicles Number of Approach Lanes: WB Spicer: 1 lanes
EB/WB John: 1 lanes
Total Entering Volumes: Existing AM: 1,811 vehicles Back+Proj AM: vehicles Existing PM: 1,805 vehicles Back+Proj PM: vehicles
Exist+Proj AM: 1,951 vehicles CumNoPro AM: 2,590 vehicles Exist+Proj PM: 2,036 vehicles CumNoPro PM: 2,812 vehicles Background AM: vehicles Cum+Proj AM: 2,730 vehicles
Background PM: vehicles Cum+Proj PM: 3,043 vehicles
No. of Averag e Total Vehicle At least
Peak Stopped Vehicle Delay Delay Total Delay 4 Veh-Hrs 5 Veh-Hrs 100 Veh 150 Veh 650 Veh? Warrant Street Direction Scenario Hour Vehicles (sec) (sec) (hours) (One-Lane) (Two-Lane) (One-Lane) (Two-Lane) (Intersection) Met? Spicer WB Existing AM 47 18.1 851 0.24 NO N/A NO N/A YES NO Spicer WB Existing PM 3 20.2 61 0.02 NO N/A NO N/A YES NO Spicer WB Exist+Proj AM 47 43.2 2,030 0.56 NO N/A NO N/A YES NO Spicer WB Exist+Proj PM 3 23.4 70 0.02 NO N/A NO N/A YES NO Spicer WB CumNoPro AM 55 12.3 677 0.19 NO N/A NO N/A YES NO Spicer WB CumNoPro PM 10 187.4 1,874 0.52 NO N/A NO N/A YES NO Spicer WB Cum+Proj AM 55 12.8 704 0.20 NO N/A NO N/A YES NO Spicer WB Cum+Proj PM 10 413.7 4,137 1.15 NO N/A NO N/A YES NO Notes:
1. Warrant based on level of service calculations.
2. NB, SB, EB, WB = Northbound, Southbound, Eastbound, Westbound.
3. N/A = Not Applicable - this evaluation does not apply to that approach.
4. High northbound and southbound right turn volumes are removed from warrant evaluation.
Min. Approach Delay?
Min. Approach Vols?
Intersection #8
Abbott Street / Alameda Avenue
Abbott St Alameda Ave Warrant
North/South East/West Met?
A. Existing AM 1648 70 No
B. Existing PM 1749 67 No
C. Ex+Pro AM 1784 74 No
D. Ex+Pro PM 1974 73 No
E. CumNoPro AM 2385 89 No
F. CumNoPro PM 2710 108 Yes
G. Cum+Pro AM 2521 93 No
H. Cum+Pro PM 2935 114 Yes
I. 12:00 AM 0 0 No
J. 12:00 AM 0 0 No
K. 12:00 AM 0 0 No
L. 12:00 AM 0 0 No
M. 12:00 AM 0 0 No
N. 12:00 AM 0 0 No
O. 12:00 AM 0 0 No
P. 12:00 AM 0 0 No
Notes:
1. 150 VPH applies as the lower threshold volume for a minor street approach with two or more lanes and 100 VPH applies as the lower threshold volume for a minor street approaching with one lane.
2. Bold line applies to intersection geometry.
Scenario
0 100
200
300
400
500
600
700
400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800
MINOR STREET (VPH)
HIGH VOLUME APPROACH
MAJOR STREET (VPH)
TOTAL OF BOTH APPROACHES
CALTRANS PEAK HOUR VOLUME SIGNAL WARRANT (Urban Areas)
2 OR MORE LANES (MAJOR) & 1 LANE (MINOR)
OR 1 LANE (MAJOR) & 2 OR MORE LANES (MINOR)
2 OR MORE LANES (MAJOR) & 2 OR MORE LANES (MINOR)
1 LANE (MAJOR) & 1 LANE (MINOR) B CA D
F, H
E, G
Warrant 3 (Part B) - Peak Hour Delay
#8 - Abbott Street / Alameda Avenue
Number of Approaches to Intersection: 3 approaches Minimum Entering Vehicles: 650 vehicles Number of Approach Lanes: EB Alameda: 1 lanes
EB/WB John: 1 lanes
Total Entering Volumes: Existing AM: 1,718 vehicles Back+Proj AM: vehicles Existing PM: 1,816 vehicles Back+Proj PM: vehicles
Exist+Proj AM: 1,858 vehicles CumNoPro AM: 2,474 vehicles Exist+Proj PM: 2,047 vehicles CumNoPro PM: 2,818 vehicles Background AM: vehicles Cum+Proj AM: 2,614 vehicles
Background PM: vehicles Cum+Proj PM: 3,049 vehicles
No. of Averag e Total Vehicle At least
Peak Stopped Vehicle Delay Delay Total Delay 4 Veh-Hrs 5 Veh-Hrs 100 Veh 150 Veh 650 Veh? Warrant Street Direction Scenario Hour Vehicles (sec) (sec) (hours) (One-Lane) (Two-Lane) (One-Lane) (Two-Lane) (Intersection) Met? Alameda EB Existing AM 70 37.5 2,625 0.73 NO N/A NO N/A YES NO Alameda EB Existing PM 67 44.9 3,008 0.84 NO N/A NO N/A YES NO Alameda EB Exist+Proj AM 74 50.5 3,737 1.04 NO N/A NO N/A YES NO Alameda EB Exist+Proj PM 73 86.9 6,344 1.76 NO N/A NO N/A YES NO Alameda EB CumNoPro AM 89 282.6 25,151 6.99 YES N/A NO N/A YES NO Alameda EB CumNoPro PM 108 1,955.9 211,237 58.68 YES N/A YES N/A YES YES Alameda EB Cum+Proj AM 93 434.6 40,418 11.23 YES N/A NO N/A YES NO Alameda EB Cum+Proj PM 114 3,000.0 342,000 95.00 YES N/A YES N/A YES YES Notes:
1. Warrant based on level of service calculations.
2. NB, SB, EB, WB = Northbound, Southbound, Eastbound, Westbound.
3. N/A = Not Applicable - this evaluation does not apply to that approach.
4. Delays of over 3,000 seconds reduced to exactly 3,000 seconds for this warrant evaluation.
Min. Approach Delay?
Min. Approach Vols?
Intersection #7
Abbott Street / Spicer Street
Southbound Approach
Left-Turning Opposing Warrant Source: Transportation Research Board, Met? "Intersection Channelization Guide",
A. Existing AM 110 601 Yes NCHRP Report 279, November, 1985 B. Existing PM 17 1234 Yes
C. Ex+Pro AM 110 678 Yes
D. Ex+Pro PM 17 1349 Yes
E. CumNoPro AM 140 845 Yes
F. CumNoPro PM 35 1587 Yes
G. Cum+Pro AM 140 922 Yes
H. Cum+Pro PM 35 1702 Yes
Note: When opposing volume < 400 VPH, a left-turn lane is not normally warranted unless the advancing volume in the same direction as the left-turning traffic exceeds 400 VPH.
Scenario
0 500
1000
1500
2000
0 5 10 15 20 25 30
OPPOSING VOLUME (VPH)
LEFT-TURNING VOLUME (VPH)
LEFT-TURN WARRANTS - 4-LANE ROAD
LEFT-TURN LANE
WARRANTED
4-LANE
UNDIVIDED ROAD
LEFT-TURN LANE
NOT WARRANTED
B
G
C
A
D
F
E
H
Intersection #8
Abbott Street / Alameda Avenue
Northbound Approach
Left-Turning Opposing Warrant Source: Transportation Research Board, Met? "Intersection Channelization Guide",
A. Existing AM 12 1064 Yes NCHRP Report 279, November, 1985 B. Existing PM 23 552 Yes
C. Ex+Pro AM 12 1127 Yes
D. Ex+Pro PM 23 668 Yes
E. CumNoPro AM 15 1570 Yes
F. CumNoPro PM 26 1190 Yes
G. Cum+Pro AM 15 1633 Yes
H. Cum+Pro PM 26 1306 Yes
Note: When opposing volume < 400 VPH, a left-turn lane is not normally warranted unless the advancing volume in the same direction as the left-turning traffic exceeds 400 VPH.
Scenario
0 500
1000
1500
2000
0 5 10 15 20 25 30
OPPOSING VOLUME (VPH)
LEFT-TURNING VOLUME (VPH)
LEFT-TURN WARRANTS - 4-LANE ROAD
LEFT-TURN LANE
WARRANTED
4-LANE
UNDIVIDED ROAD
LEFT-TURN LANE
NOT WARRANTED
B
G
C
A
D
F
E
H