The following are the summary sheets for clusters on built-up and non built-up roads, only those clusters with either 4 or 5 accidents are shown and the location has been removed in order to preserve anonymity. They contain data derived from STATS19 and Police records that were supplied on request.
| No. of accidents | Road types | Rider at fault | Average rider age | Motorcycle types | Main accident types |
1 | 5 | 30mph urban roads | 0 (0%) | 36.6 | 3 (60%) greater than 500cc. 3 (60%) traditional/commuter/roadster type (category 3). | 3 (60%) involved cars u-turning in path of bike. 1 involved pedestrians stepping into path of bike. |
2 | 5 | 30mph and 40mph urban roads | 2 (40%) | 40.6 | Engine cc unknown in 2 (40%) cases and less than 500cc in 2 (40%) cases. No pattern to bike categories. | 2 (40%) accidents involved bike rider failing to avoid stationary vehicles. 2 (40%) involved other vehicles either turning in front of or failing to give way to a bike. |
3 | 5 | 30mph urban roads | 0 (0%) | 37.2 | 4 (80%) greater than 500cc. Unknown category in 3 (60%) cases. | 3 involved car turning right in front of bike. 1 involved car u-turning in front of bike. |
4 | 4 | 30mph urban roads | 2 (50%) | 36.3 | 3 (75%) less than 500cc. All different categories. | 2 (50%) involved cars turning right in path of bike. 1 accident involved a rider under instruction losing control. |
5 | 4 | 30mph urban roads | 3 (75%) | 32.75 | 2 (50%) less than 500cc. No pattern to bike categories. | 2 (50%) involved the bike rider losing control. 1 accident was caused by the bike rider braking sharply to avoid another vehicle and then losing control. |
6 | 4 | 30mph urban roads | 4 (100%) | 20.5 | 3 (75%) less than 500cc. No pattern to bike categories. | 2 (50%) involved rider losing control. In 1 (25%) accident, the bike was stolen and the rider collided at high speed with a car. The final accident involved the bike rider carrying out a poor overtaking manoeuvre. |
7 | 4 | Mainly 40mph | 0 (0%) | 33.3 | All bikes were greater than 500cc. 3 (75%) were sports bikes. | 3 accidents involved vehicles turning in path of bike. 1 accident involved a pedestrian stepping into path of bike. |
8 | 4 | 30mph urban roads | 2 (50%) | 34.4 | 3 (75%) over 500cc. 2 (50%) were traditional/commuter/roadster type (category 3). | 2 accidents (50%) involved cars u-turning in front of the bike. 1 accident where the rider lost control whilst turning a corner and 1 accident where the rider failed to see a pedestrian and collided. |
9 | 4 | 30mph urban roads | 2 (50%) | 34.0 | 2 (50%) less than 500cc. Bike category unknown in 2 cases. | 2 (50%) involved car failing to give way to bike at junctions. 1 involved bike carrying out poor overtaking manoeuvre and 1 involved bike running into the back of a parked car. |
10 | 4 | 30mph urban roads | 1 (25%) | 36.5 | 3 (74%) less than 500cc. 2 (50%) were mopeds. | 2 (50%) involved vehicles failing to give way to bike at junction. 1 involved a drunken moped rider who failed to negotiate a bend and collided with a taxi. 1 involved a car u-turning in path of bike. |
| No. of accidents | Road types | Rider at fault | Average rider age | Motorcycle types | Main accident types |
1 | 5 | Single 50mph 60mph | 1 (20%) | 28.4 | 3 (60%) over 500cc. 2 (40%) commuter/traditional category. 2 (40%) category unknown. | 3 (60%) involved cars turning right in path of bike. 1 involved rider losing control (whilst accelerating). 1 involved car running into back of stationary bike. |
2 | 5 | Single 60mph (2) Dual 70mph (1) M/way (2) | 2 (40%) | 37.8 | 3 (60%) over 500cc. 2 (40%) sports bikes. 2 (40%) unknown category. | No pattern to accidents: 1 where rider runs into back of stationary car; 1 where car turns right in path of bike; 1 where car hits runs into back of slower moving bike; 1 where rider overtakes in fog and collides with oncoming van; and 1 where the rider loses control whilst trying to avoid a vehicle which crossed the central reserve after an accident on the other carriageway. |
3 | 5 | M/way 50mph | 4 (80%) | 37.6 | 3 (60%) over 500cc. 2 (40%) sports bikes. | 2 involved rider losing control (1 caused by rear tyre of bike deflating). 1 where rider overbraked, causing front wheel to lock and bike overturned. 1 where rider ran into back of slow moving vehicle. |
4 | 4 | Single 60mph | 3 (75%) | 37.8 | 3 (75%) over 500cc. 2 (50%) sports bikes. | 2 (50%) involved the rider losing control (1 of these where insecure luggage got trapped in wheel). 1 (20%) involved a car overtaking into path of bike. 1 (20%) involved rider overtaking and colliding with oncoming car. |
5 | 4 | Single 60mph | 3 (75%) | 30.8 | All over 500cc. All Sports bikes. | 3 (75%) involved rider losing control (2 on right hand bends, 1 on left hand bend). 1 accident involved a car clipping the feet of the motorcyclist. |
6 | 4 | Single c/way 60mph | 2 (50%) | 34 | 2 (50%) over 500cc. 2 (50%) sports bikes | 2 involved cars turning in path of bike. 1 involved rider losing control on right hand bend. 1 where rider hit deer. |
7 | 4 | Single 60mph | 4 (100%) | 33.3 | 3 (75%) over 500cc. 3 (75%) sports bikes. | 3 (75%) involved the rider losing control for various reasons (1 due to a large stone on the carriageway, 1 due to 'wet and greasy' surface and 1 whilst overtaking). The final accident involved a bike colliding head-on with another bike for 'unknown reasons'. |
8 | 4 | Single 60mph | 4 (100%) | 43.8 | 3 (75%) over 500cc. 3(75%) sports bikes. | 2 (50%) accidents involved riders losing control (one on left hand bend other on right hand bend, wet road). 1 accident involved a bike colliding with the rear of another bike (they were travelling together) and the final accident involved a bike negotiating a right hand bend on the wrong side and colliding with an oncoming car. |
9 | 4 | Single 60mph Dual 70mph | 3 (75%) | 33.5 | All over 500cc. 2 (50%) sports bikes. 2 (50%) traditional/commuter category. | 3 (75%) involved the rider losing control. 1 involved a car u-turning in path of bike. |
10 | 4 | Single 60mph | 3 (75%) | 33.8 | Engine size known in only 1 accident (over 500cc). Bike category known in 2 accidents: 1 sports and 1 large touring bike. | 2 accidents involved riders colliding with wild animals (deer and sheep). 1 accident involved a rider (travelling with a group of bikers) losing control on a bend and colliding with an oncoming vehicle. The final accident involved the rider overtaking and colliding with a right turning car. |
11 | 4 | Single 60mph | 4 (100%) | 26.25 | 3 (75%) over 500cc. Bike category unknown in 3 cases, sports bike in 1 case. | 3 (75%) involved the rider losing control (1 double bend, 1 right hand bend with poor road surface and 1 under influence of alcohol). The final accident involved a rider swerving to avoid an animal and losing control. |
12 | 4 | Single 60mph | 4 (100%) | 31.8 | 3(75%) over 500cc. 3(75%) sports bikes. | 3 (75%) involved rider losing control (2 on left hand bends, 1 on right hand bend). 1 accident involved the rider negotiating a left hand bend on the wrong side and colliding with an oncoming vehicle. |
13 | 4 | Single 60mph | 3 (75%) | 42.5 | All over 500cc. 2 (50%) sports bikes. | 2 (50%) involved the rider losing control (1 on 'loose chippings', 1 on left hand bend). 2 (50%) involved bikes crossing the centre line and colliding with oncoming vehicles (it is not clear whether the riders lost control or not). |
14 | 4 | Single 60mph | 4 (100%) | 39.5 | All over 500cc. 3 (75%) sports bikes. | 3 (75%) involved the rider losing control (1 on right hand bend, 1 inexperienced and at excess speed and 1 blinded by sunlight). The final accident involved a bike negotiating a left hand bend and colliding with oncoming car (no indication that rider lost control). |
15 | 4 | Single 50mph 60mph Dual 60mph | 3 (75%) | 37.8 | 3 (75%) under 500cc. 2 (50%) scooters, 2(50%) traditional/commuter category. | 2 (50%) involved bike rider colliding with stationary car. 1 (25%) involved bike rider colliding with oncoming car and 1 involved rider losing control on a roundabout. |