1. Evidence Based Traffic Enforcement
Sgt. Scott Roach
St. Louis County Police
Highway Safety Unit

2. ‘An Officer & His Ticket Book’
P.O. Adam Lane
September, 2015
501 citations
“That’s great but…

3. …..before we throw a bunch of time and $$$ at an issue, let’s do a few things first.”

4. HOT SPOT TRAFFIC ENFORCEMENT

5. Starts with Data!

6. Analyze the Hot Spot Identify it: “Tell me the 5 worst intersections.”
Analyze it: “When is the worst times for crashes?”
Watch it: Take 30 minutes and just watch it.
*Assign it: Be specific what you want.
*Resources: Who can help fix it?
*Follow-up on complaints.

7. Analyze the Hot Spot *Assign it: Be specific what you want.
-Citations? -Warnings?
-Contacts? -Visibility?
*Resources: Who can help fix it?
Timing cycle?, Engineering flaw?
Signage?, Enforcement?
*Follow-up on complaints: Example

8. EXAMPLE: Most Common Citizen Complaint
Analyze the Hot Spot
EXAMPLE: Most Common Citizen Complaint
“They’re speeding up-and-down my street!”
-Go speak with them.
-Bring in the data!
-Ride-along?
-Let them use the Laser and Radar.
-Make sure they SEE your efforts.

11. CRASHES BY DAY AND HOUR

15. Overall Monthly Hot Spot Activity: Specific Monthly Hot Spot Activity
HOT SPOT REPORT
JUNE 2017
Overall Monthly Hot Spot Activity:
Activity
Monthly Total
YTD
Contacts in H.S.
207
1,494
Hours in H.S.
131
859
Citations issued in H.S.
216
1,642
Warnings issued in H.S. 40
335
Arrests in H.S. 17 81
Specific Monthly Hot Spot Activity
Location
Contacts
Hours
Citations
Warnings
Arrests
Hwy 255 / 55
146 87
159 32 17
Hwy 270 / 21 50 30 49 11
Hwy 70 / 270 14 8 4
Monthly Total
207
131
216 40

16. Lessons Learned Change up the Hot Spots.
Don’t have too many at the same time.
Prepare YOUR boss re: performance.
Assign a Hot Spot officer.
Encourage officers to move around.
Different inputs: Officer, Patrol, Public, MoDOT
Keep up with results. (good or bad)

17. Creative Activities

18. Creative Activities Invite other officers!
Laser from overpasses / hidden areas.
Air enforcement
‘Team Day’
Saturation Patrols (instead of checkpoints)
Mobilizations: ‘Saturation Saturday’
Multi-Agency Activities
Invite other officers!

19. FINAL THOUGHTS

20. Sgt. Scott Roach St. Louis County PD 314-576-1055 Sroach@stlouisco.com