Contravention code 34 is a bus lane contravention, enforced by CCTV cameras. If you have received this PCN from Transport for London, Parking Mate AI can check it for defects and prepare a challenge letter for London Tribunals.

Contravention code 34 means: Being in a bus lane. This is a bus lane contravention issued under the Civil Enforcement of Road Traffic Contraventions (General Provisions) Regulations 2022. Transport for London enforces this via CCTV cameras.
You have received a penalty charge notice from Transport for London with contravention code 34. In plain English, this means the council considers that you being in a bus lane.
The legal basis for this PCN is the bus lane enforcement scheme, backed by a traffic regulation order (TRO or TMO) that Transport for London must have properly made and signed. Without a valid order and compliant signage, the restriction is not enforceable.
To challenge this PCN, you can make formal representations to Transport for London. If the council rejects your representations, you have the right to appeal to London Tribunals. The adjudicator's decision is independent and binding on the council.
No contravention actually occurred at the time stated
Contravention code does not match the restriction in force
No photographic evidence supporting the alleged contravention
Evidence is unclear, obscured, or of poor quality
Required signage is missing or not visible from the parking place
Signs are obscured, damaged, or do not comply with the Traffic Signs Regulations
Traffic regulation order (TRO) is defective or does not cover the location
PCN does not contain all the information required by regulations
PCN was not served within the statutory time limit
Notice to owner was not issued within the required period
The PCN itself
Photos of signage at the location
Photos of road markings
Any payment receipts
Dashcam footage if available
View all PCN help for Transport for London.
View the standalone code 34 contravention code page.
View the enforcement scheme that covers code 34.
Using a route restricted to certain vehicles
Common questions about contravention code 34 PCNs from Transport for London and how to challenge them.
Contravention code 34 on a Transport for London PCN means: Being in a bus lane. This is a bus lane contravention enforced by CCTV cameras within the Transport for London (TfL) area.
You can make formal representations to Transport for London within 28 days of receiving the notice to owner. If Transport for London rejects your representations, you have 28 days to appeal to London Tribunals. Upload your PCN and Parking Mate AI identifies the grounds specific to code 34.
Common defences for a Transport for London code 34 PCN include inadequate or missing signage, a defective traffic regulation order, poor camera evidence quality, incorrect contravention code, and procedural failures in serving the notice.
Yes. If Transport for London has issued your PCN with contravention code 34 but the code does not accurately describe what happened, this is a valid ground for challenge. The contravention code must match the restriction actually in force at the location and time stated.
You typically have 28 days to pay at the discounted rate or make an informal challenge. After a notice to owner, you have 28 days for formal representations. If Transport for London rejects those, you have 28 days to appeal to London Tribunals. Check your code 34 PCN promptly.
For a Transport for London code 34 challenge, gather the PCN itself, photos of signage and road markings at the location, any payment receipts, dashcam footage if available, and a written note of why you believe code 34 was incorrectly applied.
No. A Transport for London code 34 PCN may be incorrectly issued for several reasons: the signage may not comply with regulations, the camera evidence may be unclear, the TRO may be defective, or the code may not match what actually happened.
Ignoring a Transport for London code 34 PCN leads to escalation: notice to owner, then a charge certificate (increasing the penalty by 50%), then registration at the Traffic Enforcement Centre, and eventually bailiff enforcement. Responding early preserves the most options.
Each council has its own enforcement patterns and approach. Transport for London has specific local factors, including enforces bus lanes, red routes, the congestion charge, ULEZ, and box junction restrictions across the entire London road network using extensive ANPR camera systems. Parking Mate AI applies Transport for London-specific checks when analysing your code 34 PCN.
Upload your Transport for London code 34 PCN and Parking Mate AI reads the details automatically. It checks whether code 34 was correctly applied, whether the signage and procedure meet the required standards, and whether the notice was properly served. If defects are found, you receive a professional challenge letter for London Tribunals.
Upload your penalty charge notice for a free Parking Mate AI defect check. If grounds are found for your Transport for London code 34 PCN, get a professional challenge letter for London Tribunals.
