Serious B556 crash in Hertsmere on 14 October 2025 at 18:22 involving an Audi A3
An Audi A3, a Honda NSS motorcycle and a Volvo XC60 were involved in a crash on the B556 in Hertsmere at 18:22 on Tuesday 14 October 2025. The 39-year-old male rider of the Honda NSS motorcycle was seriously injured.
It happened after dark under street lighting in fine weather on a dry single carriageway with a 30 mph limit, at a T or staggered junction.
- Severity
- Serious
- Date
- 14 Oct 2025
- Tuesday, 18:22
- Vehicles
- 3
- Audi A3 and 2 others
- Casualties
- 1
- 1 seriously injured
Location of the crash
Police recorded the crash at latitude 51.69836, longitude -0.19918, in the EN6 postcode district and within the built-up area of Potters Bar. It is one of the crashes that make up the Bentley Heath & The Royds, Hertsmere, EN6 2AU area accident hotspot.
Map of where the crash happened in Hertsmere
Use the arrow keys to move the map and the plus and minus keys to zoom.
- 1 crash
- Serious
Collision details
Basic information
- Reference
- 2025411656746
- Council area
- Hertsmere
- Police force
- Hertfordshire
- Police attended the scene
- Yes
- Highway authority
- Hertfordshire
Road and location details
- First road class
- B
- First road number
- 556
- Road type
- Single carriageway
- Speed limit
- 30 mph
- Urban or rural
- Urban
- Trunk road
- Non-trunk road
Junction information
- Junction type
- T or staggered junction
- Junction control
- Give way or uncontrolled
- Second road class
- Unclassified
Pedestrian crossing information
- Crossing facilities
- No physical crossing facility within 50 m
Environmental conditions
- Light conditions
- Dark, street lights lit
- Weather
- Fine, no high winds
- Road surface
- Dry
Enhanced collision data
- Serious injury band
- Very serious
- How severity was recorded
- From injuries recorded by police (CRASH system)
- Estimated chance it was serious
- 100%
- Estimated chance it was slight
- 0%
The 6 nearest recorded crashes
The nearest, 3 metres away, was a slight injury crash on 9 January 2013.
Slight
Vauxhall Vectra crash on the B556 in Hertsmere, 9 January 2013
3 m awayRef 20134100J0006
Slight
Vauxhall Cavalier crash on the B556 in Hertsmere, 21 January 1995
3 m awayRef 199501SA00048
Slight
Leyland DAF FA 45 crash on the B556 in Hertsmere, 13 July 1995
3 m awayRef 199501SA00611
Slight
Subaru Impreza crash on the B556 in Hertsmere, 18 June 1999
3 m awayRef 199901SA00250
Serious
Citroen BX crash on the B556 in Hertsmere, 13 October 1992
8 m awayRef 199201SA00750
Slight
Bicycle crash on the B556 in Hertsmere, 19 January 2024
10 m awayRef 2024411415306
Vehicles involved (3)
Vehicle 1: Audi A3
Car
- Manoeuvre
- Going ahead
- Travelling from
- South East
- Travelling to
- North West
- Position at junction
- Mid-junction, on roundabout or on main road
- First point of impact
- Front
- Left-hand drive
- No
- Driver sex
- Male
- Driver age
- 38 years
- Engine capacity
- 1,984 cc
- Fuel or propulsion
- Petrol
- Driver home area deprivation
- 10% least deprived
- Distance from driver's home
- Within 5 km
Vehicle 2: Honda NSS
Motorcycle 125cc and under
- Manoeuvre
- Waiting to turn right
- Travelling from
- South East
- Travelling to
- North
- Position at junction
- Mid-junction, on roundabout or on main road
- Skidding and overturning
- Overturned
- Leaving the carriageway
- Nearside
- Hit object off carriageway
- Nearside or offside crash barrier
- First point of impact
- Back
- Left-hand drive
- No
- Driver sex
- Male
- Driver age
- 39 years
- Engine capacity
- 125 cc
- Fuel or propulsion
- Petrol
- Driver home area deprivation
- 10 to 20% most deprived
- Distance from driver's home
- 10 to 20 km
Vehicle 3: Volvo XC60
Car
- Manoeuvre
- Going ahead
- Travelling from
- North West
- Travelling to
- South East
- Position at junction
- Mid-junction, on roundabout or on main road
- First point of impact
- Front
- Left-hand drive
- No
- Journey purpose
- Personal business or leisure
- Driver sex
- Male
- Driver age
- 39 years
- Engine capacity
- 1,969 cc
- Fuel or propulsion
- Hybrid electric
- Driver home area deprivation
- 10% least deprived
- Distance from driver's home
- Within 5 km
Casualties (1)
Casualty 1: Rider
SeriousMale, aged 39, motorcyclist (125cc and under), on vehicle 2 (Honda NSS)
- Serious injury band
- Very serious
- Home area deprivation
- 10 to 20% most deprived
- Distance from home
- 10 to 20 km
Data source
This record comes from the Department for Transport’s road safety data (STATS19), in which police forces in Great Britain record every road crash reported to them where someone was injured. It is reference 2025411656746 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Hertsmere road accident statistics for 2025.