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Recorded road collisions within 1 km: what the data shows

Official collision records count incidents within a kilometre of each postcode district. We examine what the figures reveal about local road safety patterns.

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Official collision records count incidents within a kilometre of each postcode district over a five year period. The data shows wide variation, with some districts recording dozens of collisions while others record none. These figures reflect local road networks, traffic volumes and reporting practices rather than a simple safety league table.

Understanding what collision records mean requires context. A busy urban junction will naturally accumulate more reported incidents than a quiet rural lane. The presence of major roads, junctions, schools and shops all influence the number of collisions within any given radius. The data, current as of 5 October 2026, covers a sample of postcode districts and should not be read as a national ranking.

What do the collision figures show?

The sample districts show a clear range. PA5 recorded 36 collisions within a kilometre over the five year period, the highest in the sample. PA3 followed with 34, then PA4 with 28, PA2 with 25 and PA15 with 22. At the other end, five districts, PA76, PA75, PA74, PA73 and PA72, each recorded zero collisions within the same radius and timeframe.

None of the collisions in the sample were classified as serious or fatal. Every incident fell into the slight category, which typically involves minor injuries or damage. This pattern suggests that while collisions occurred, their severity remained low across the entire sample during the five years covered.

Highlight

PA5 recorded 36 collisions within 1 km over five years, the highest in the sample, while five districts recorded none.

Why do some districts record more collisions?

Traffic volume is the primary driver. A district that includes or sits near a busy A-road, motorway junction or town centre will see more vehicles and therefore more opportunities for collisions. Higher traffic density means more interactions between cars, cyclists, pedestrians and other road users. The one kilometre radius captures not just the postcode district itself but surrounding roads, so a district next to a major route will pick up incidents from that corridor.

Road layout also matters. Junctions, roundabouts and slip roads are natural collision hotspots because they involve merging, turning and crossing movements. A district near a complex junction will record more incidents than one surrounded by straight, single-carriageway roads. Similarly, areas with schools, shops or leisure facilities generate more local traffic and pedestrian activity, increasing the chance of minor collisions.

Reporting practices vary. Not every bump or scrape is logged. Police attend and record collisions that involve injury, significant damage or obstruction. A quiet rural district with low traffic may genuinely experience fewer incidents, but it may also have fewer opportunities for collisions to be formally reported. Urban areas with higher police presence and more active traffic management tend to produce more complete records.

How should buyers interpret collision data?

Collision counts are one piece of information among many. A high number does not automatically mean a street is unsafe. It may simply indicate proximity to a busy road or junction. Conversely, a zero count does not guarantee perfect safety, it may reflect low traffic volumes or incomplete reporting. Buyers should visit the area at different times of day, observe traffic patterns and walk the routes they would use regularly.

The absence of serious or fatal collisions in the sample is reassuring. It suggests that while minor incidents occurred, the roads in these districts did not see the most severe outcomes during the five year period. However, past data cannot predict future events. Road safety depends on ongoing maintenance, driver behaviour, enforcement and infrastructure improvements.

Consider the context of your own needs. Families with young children may prioritise quiet streets and safe walking routes to school. Commuters may accept busier roads in exchange for easier access to motorways or train stations. The collision data helps inform that decision but should not be the sole factor.

What are the limitations of this data?

The sample covers specific postcode districts and does not represent a national picture. The PA postcode area serves parts of Scotland, so the figures reflect local conditions in that region. Drawing conclusions about other parts of the UK from this sample would be misleading. Each area has its own road network, traffic volumes and reporting standards.

The one kilometre radius is arbitrary. It captures a broad area around each district, which means collisions on a major road a kilometre away contribute to the count even if the district itself is quiet. This approach provides useful context but can blur the distinction between a district's internal roads and nearby through routes.

The five year period smooths out short term spikes but may not capture recent changes. A new junction, traffic calming measures or a road closure could alter collision patterns after the data was compiled. Always check for recent developments that might affect local traffic and safety.

Read the road collisions guide

How do road improvements affect collision rates?

Local authorities invest in road safety through junction redesigns, traffic calming, better signage and pedestrian crossings. These interventions can reduce collision frequency and severity over time. A district that once recorded many incidents may see numbers fall after improvements. Conversely, new housing developments or business parks can increase traffic and, temporarily, collision rates until drivers adjust to the new layout.

Speed limits and enforcement also play a role. Lower limits in residential areas reduce both the likelihood and severity of collisions. Cameras, speed bumps and chicanes encourage compliance. Districts with active road safety programmes may show lower collision counts than those without, even if traffic volumes are similar.

Public transport availability matters too. Areas with good bus and rail links see fewer car journeys, which can reduce collision opportunities. Cycling infrastructure, when well designed, separates bikes from motor traffic and lowers the risk of collisions involving vulnerable road users.

What else should buyers consider about local roads?

Noise and air quality often accompany high traffic volumes. A district with many recorded collisions may also experience higher pollution and noise levels, which affect quality of life. Walking the area at rush hour gives a sense of congestion and exhaust fumes that collision data alone cannot convey.

Parking availability and road width matter for daily convenience. Narrow streets with on-street parking can feel cramped and may see more minor scrapes, even if official collision counts are low. Wide roads with good sightlines and off-street parking reduce stress and the chance of damage.

Future road schemes can change the picture. Check local authority transport plans for proposed bypasses, new junctions or road closures. A quiet street today might become a rat run tomorrow if nearby routes are altered. Conversely, a busy road might be downgraded or traffic-calmed, improving conditions over time.

Common questions

What does a high collision count within 1 km mean?
A high count usually reflects proximity to busy roads or junctions rather than poor road safety alone. More traffic creates more opportunities for collisions to occur and be reported. The severity of collisions and local road layout provide important context.
Are zero collisions within 1 km a guarantee of safety?
No, a zero count may indicate low traffic volumes or incomplete reporting rather than perfect safety. It is a positive sign but should be considered alongside local observations and other data. Past records do not predict future incidents.
How often is road collision data updated?
Official collision data is typically published annually, covering the previous calendar year. The data in this sample was current as of 5 October 2026 and covers a five year period. Check government and local authority websites for the latest figures.
Do collision figures include all types of incidents?
Official statistics record collisions reported to the police, usually involving injury, significant damage or obstruction. Minor bumps that are not reported will not appear in the data. Reporting practices vary by area and over time.
Can road improvements reduce collision numbers?
Yes, junction redesigns, traffic calming and better signage can lower collision rates. Local authorities invest in road safety measures that reduce both frequency and severity. New developments or traffic pattern changes can also affect collision counts over time.

bythenumbers provides general information from published open data. It is not financial, legal, survey or property valuation advice, and figures may be out of date or incomplete. Always check anything that matters to your decision directly with the relevant authority.

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