Transport for London 
Surface Transport 
 
Transport Policing & Enforcement Directorate 
 
Traffic Enforcement  
 
(Camera Operations) 
 
Procedure No: 0001 
 
 
Procedure Title: Yellow Box Junction Enforcement Guidance Notes 
 
 
Issue: 1  
Revision: 0 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Document Control Warning: Printed copies are UNCONTROLLED. Users 
of paper copies of this document should ensure that it is still the current version by 
checking the on-line version at 
 \\Traffenf on ‘Blecims’ [H] CSupport\ISO 9001\Documents 
Copyright © Transport for London 

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Yellow box guidance notes 
Issue 1 
DOCUMENT CONTROL 
 
ISS 
DATE PURPOSE BY CHK APP 
 
1 
Sep 06 
Published on Sharepoint MAC 
MAC 
NIS 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
DOCUMENT CONTROL NO: 
1 
 
 
 
Any printed versions of this document are controlled only if they are identified by 
a unique document control number stamped in RED above. Documents not 
carrying a red number or those on which the number is black (i.e., photocopies) 
are UNCONTROLLED. 
ENFGL-0001 Page 
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Yellow box guidance notes 
Issue 1 
1 
Purpose 
This document describes processes and procedures for enforcement of 
Yellow Boxes. 
2 
Scope 
This procedure applies to the enforcement of Yellow box junctions located 
on the Transport for London Road Network (TLRN) often referred to as the 
Red Route. 
3 
Procedure 
3.1 Legislation 
Transport for London enforces box junctions under civil enforcement 
legislation; The London Local Authority and TFL Act 2000.  
3.2 
Capturing the evidence 
The following criteria should be used to determine if a contravention has 
occurred. 
•  Check the box junction is enforceable 
•  Set the camera to the required position 
•  Wait for a vehicle to contravene (See minor infringement below) 
•  Capture evidence of the contravening vehicle 
•  Ensure that at least half of the vehicle has remained stationary in the 
box for 5 seconds. 
 
                                                                     
3.3 
Single box; Infringement (CCTV) 
 
    
ENFGL-0001 Page 
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Yellow box guidance notes 
Issue 1 
 
 
       Fig 6.3.1 Close up view  
 
 
 
Fig 6.3.2 Context view 
                                                                
 
3.4 
Single box; Minor Incident (CCTV) 
 
 
        
 
 
     Fig 6.4.1 Close up view 
 
 
 
Fig 6.4.2 Context view  
3.4.1 
Double box; Box Junctions 
On larger roads such as dual carriageways drivers will encounter two yellow boxes 
when they wish to cross or turn right at the main road.  
         
 
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Yellow box guidance notes 
Issue 1 
Fig 6.6.1.1 Correct when crossing 
 
 
Fig 6.6.1.2 correct right turn 
 
2 
1 
       
 
Fig 6.6.1.3 Contravention when crossing 
 
Fig 6.6.1.4 No contravention if turning right 
 
If a vehicle is crossing the main road they should not stop in yellow boxes 1 or 2 
above. If a vehicle does stop it should be considered as a contravention and the 
vehicle observed in the normal way. If a vehicle is turning right they are permitted to 
stop in boxes 1 and 2 above and should not be considered as a contravention. 
 
 
  
END OF PROCEDURE 
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