D-22	MISSOURI DEPARTMENT OF TRANSPORTATION

TRAFFIC SIGNAL WARRANTS

(Submit Form HP-770 With This Form)

Route	Cross Street

County	Job Number

Posted Speed or 85th Percentile Speed on:	Major Street mph.

Posted Speed or 85th Percentile Speed on:	Minor Street mph.

Community with population less than 10,000:	Yes	No

(It is not necessary to complete all warrants on this form. I.E., if either condition for Warrant l, Eight-Hour Vehicular Volume, is satisfied Warrant 3, Peak Hour, does not have to be filled out).

Number of through lanes on each approach:	Major Minor

WARRANT 1 – EIGHT-HOUR VEHICULAR VOLUME - Lowest hour of 8 highest hours

WARRANTS BASED ON PRESENT TRAFFIC

CONDITION A – MINIMUM VEHICULAR VOLUME

Major Street	Minor Street

Total of both approaches VPH Higher volume approach VPH

Vehicular Volume Required to Satisfy Warrant:

Major 100% 80% 70% Minor 100% 80% 70%

WARRANT SATISFIED:	YES NO

CONDITION B – INTERRUPTION OF CONTINUOUS TRAFFIC - Lowest hour of 8 highest hours

Major Street	Minor Street

Total of both approaches VPH Higher volume approach VPH

Vehicular Volume Required to Satisfy Warrant:

Major 100% 80% 70% Minor 100% 80% 70%

WARRANT SATISFIED:	YES NO

WARRANT 1A – EIGHT-HOUR VEHICULAR VOLUME - Lowest hour of 8 highest hours

WARRANTS BASED ON PROJECTED TRAFFIC

Peak Hour as percent of ADT: % Major	% Minor

Year of Projection:

Number of through lanes on each approach: Major	Minor

Factor used to obtain lowest hour of 8 highest hours:

Major	Minor

Formula:

Major ADT (both approaches) X Factor = 8th hour

Minor ADT (higher approach) X Factor = 8th hour

CONDITION A – MINIMUM VEHICULAR VOLUME

Major Street

x = VPH

Minor Street

x = VPH

Vehicular Volume Required to Satisfy Warrant:

Major 100% 80% 70% Minor 100% 80% 70%

WARRANT SATISFIED:	YES NO

CONDITION B – INTERRUPTION OF CONTINUOUS TRAFFIC - Lowest hour of 8 highest hours

Major Street

x = VPH

Minor Street

x = VPH

Vehicular Volume Required to Satisfy Warrant:

Major 100% 80% 70% Minor 100% 80% 70%

WARRANT SATISFIED:	YES NO

WARRANT 3 - PEAK HOUR TRAFFIC (CONSTRUCTION ADT)

CONDITION A- MINIMUM VEHICULAR VOLUME Highest hour or 2 highest hours

Major Street

Highest Hour	VPH

Second Highest Hour	VPH

Minor Street

Highest Hour	VPH

Second Highest Hour	VPH

Vehicular Volume Required to Satisfy Warrant:

Major 1st 100% 80% 70% 2nd 100% 80% 70%

Minor 1st 100% 80% 70% 2nd 100% 80% 70%

WARRANT SATISFIED:	YES NO

CONDITION B – INTERRUPTION OF CONTINUOUS TRAFFIC - Highest hour or 2 highest hours

Major Street

Highest Hour	VPH

Second Highest Hour	VPH

Minor Street

Highest Hour	VPH

Second Highest Hour	VPH

Vehicular Volume Required to Satisfy Warrant:

Major 1st 100% 80% 70% 2nd 100% 80% 70%

Minor 1st 100% 80% 70% 2nd 100% 80% 70%

WARRANT SATISFIED:	YES NO

WARRANT 4 - PEDESTRIAN VOLUME - Lowest hour of 8 highest hours

Major Street

Total of both approaches

No Median or Median less than 4 feet wide VPH.

Median 4 feet or more in width VPH

Pedestrians

Higher Volume Crosswalk across Major Street PPH

Volume Required to Satisfy Warrant:

Major 100% *80% 70% VPH	Crosswalk 100% *80% 70% PPH

*80% value not used for Warrant 4. Use only for Warrant 7.

WARRANT SATISFIED:	YES NO

WARRANT 5 - SCHOOL CROSSING

Based upon the procedure outline in the book "A Program for School Crossing Protection" adopted by the Institute of Traffic Engineers and the MUTCD.

Number of Adequate Gaps in Vehicular Traffic for a time period:

Number of Minutes in Same Time Period:

Submit a Pedestrian Delay Time Study and a Pedestrian Group Size Study with this warrant.

a. Distance to nearest Signal: N S E W

b. School Contract for Adult Operation and Supervision:	Yes	No

c. Vehicular Parking And Other Sight Obstructions Adequately Restricted:	Yes	No

d. School District Participating in Installation Cost:	Yes	No

WARRANT SATISFIED:	YES NO

WARRANT 6 - COORDINATED SIGNAL SYSTEM

A. Street on which Progression is Desired:

B. One-Way	Two-Way	Lane-use Control Signals

C. No Median	Flush Median	Raised Median	Depressed Median

D. Number of Through Traffic Lanes on Each Approach:

Major	Minor

E. Posted Speed Limit:	MPH

F. 85th Percentile Speed:	MPH

G. Distance to nearest signal from intersection:

N S E W

H. Type of Signal Control proposed for new installation:

Intersection	Mid-Block

Pre-timed	Semi-actuated	Fully-actuated	Closed Loop

I. Method of interconnection:

Cable in Conduit	Leased Telephone Cable	Time Base Coordinator

J. Length of Interconnected Signal System: ft.

K. Desired Progression Speed: MPH.

L. Traffic Split at Intersection: Major	Minor

WARRANT SATISFIED:	YES NO

WARRANT 7 – CRASH EXPERIENCE

YES	NO

A. Adequate trial of restrictive remedies, other than installing traffic signals, with satisfactory observance and enforcement has failed to reduce the accident frequency.

B. Five or more reported accidents of types susceptible to correction by traffic signal control have occurred within a l2-month period, each accident involving personal injury or property damage to an apparent extent of $l00 or more.

C. Value required to satisfy Warrant 1 or Warrant 4 is met to 80%.

Supporting data substantiating the above must be submitted when using this warrant.

WARRANT SATISFIED:	YES NO

PROPOSED CONTROL:	Pre-timed	Pretimed-Actuated

Semi-Actuated	Fully-Actuated

Closed Loop

NOTE:

If signal is to be interconnected to other signals, submit supporting data shown under Warrant 6.