Tower Hamlets Council took on moving-traffic enforcement powers in 2022 under the national rollout of Part 6 of the Traffic Management Act 2004, brought in by Statutory Instrument 2022/65. Yellow box junction Penalty Charge Notices are now one of the highest volume contraventions issued across the borough, with Cambridge Heath Road, Whitechapel Road and Commercial Street producing thousands of PCNs each month. The £160 fine drops to £80 if paid inside 14 days, but a successful appeal removes the charge entirely and protects your record. Many of these PCNs are issued in error because the driver was stopped only by oncoming traffic while waiting to turn right, which is a specific statutory exception under the Traffic Signs Regulations and General Directions 2016. Others fail because the painted markings are faded, non-prescribed, or the box has been resurfaced without the proper cross-hatch pattern. This guide sets out the grounds that work at London Tribunals.
Grounds that work for Tower Hamlets yellow box junction fines
The right-turn exception under Schedule 10
The contravention is defined in Schedule 10 Part 4 of the Traffic Signs Regulations and General Directions 2016. A vehicle must not enter a box junction unless its exit is clear. However the regulations contain an explicit exception: a vehicle turning right may enter and wait inside the box, provided the only reason it cannot complete the turn is oncoming traffic or other vehicles ahead that are themselves waiting to turn right. If the CCTV footage shows you entered the box to turn right and were stopped purely by oncoming flow, the contravention is not made out. Request the full footage from Tower Hamlets, identify the moment you entered the box, and quote the exception in your representation.
Faded, worn or non-prescribed markings
Schedule 10 prescribes the exact diagonal cross-hatch pattern that constitutes a lawful yellow box. If the paint is heavily worn, partially obscured by resurfacing, or laid out in a pattern that does not match the prescribed diagram, the council cannot rely on the markings to substantiate the contravention. Tower Hamlets has carried out patchwork resurfacing on several enforced junctions, and adjudicators have set aside PCNs where the surviving markings did not form a complete prescribed box. Drive past the junction in daylight, photograph the markings from kerb height, and include the images with your formal representation under regulation 21 of the CEoRTC Regulations 2022.
Signage and approach warning failures
While yellow box markings themselves are the primary control, the surrounding traffic management must still be lawful. If the approach to the junction has been altered by a Traffic Regulation Order that was not properly consulted on, or if temporary signage from utility works was obscuring the box markings on the day, that goes to whether the contravention can be proved on the balance of probabilities. Request the TRO that authorises enforcement at the specific junction, check the consultation papers and any variation orders, and look for inconsistencies between the order and what is actually painted on the road. Tower Hamlets has a public list of moving-traffic enforcement sites which you should cross-reference.
Procedural defects in the PCN itself
The PCN must comply with regulation 9 of the CEoRTC Regulations 2022. It must state the alleged contravention, the time, the location, the amount of the penalty, the discount, the period for payment, and the grounds on which representations may be made. If any of these are missing, misstated, or if the photographs do not clearly show your vehicle committing the alleged act, the PCN is defective. Tower Hamlets has had PCNs cancelled where the timestamp on the CCTV did not match the time on the notice, or where the still images did not include a frame showing the vehicle inside the box with the exit blocked.
Free flow of traffic duty under s.122 RTRA 1984
Section 122 of the Road Traffic Regulation Act 1984 places a duty on councils to secure the expeditious, convenient and safe movement of traffic. Where a yellow box is sited at a junction with chronically inadequate signal timings or insufficient capacity downstream, drivers can be effectively trapped through no fault of their own. While this is a high bar, adjudicators have accepted in some cases that the design of the junction made compliance practically impossible during certain peaks. Evidence from traffic surveys, signal timing data obtained by Freedom of Information request, and witness statements from regular users can support this ground.
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Local detail: Tower Hamlets
- Cambridge Heath Road junctions with Roman Road and Old Ford Road are the highest volume PCN sites in the borough.
- Whitechapel Road around the Royal London Hospital has consistent enforcement during peak hours.
- Commercial Street near Spitalfields produces frequent right-turn exception cases.
- Tower Hamlets uses approved CCTV under Schedule 1 of the London Local Authorities and Transport for London Act 2003.
- Formal representations must be made in writing or via the online portal, not by phone.
- The 28 day formal challenge window starts from the date of service of the Notice to Owner, not the original PCN.
- London Tribunals hearings can be held in person, by telephone or on the papers, and there is no cost to the motorist.