Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 8 Jan 1991 | King's Lynn and West Norfolk | 2 | 1 | Slight |
| Tue 15 Jan 1991 | North Kesteven | 3 | 6 | Serious |
| Thu 17 Jan 1991 | Boston | 1 | 1 | Serious |
| Fri 18 Jan 1991 | South Holland | 1 | 2 | Serious |
| Fri 18 Jan 1991 | South Holland | 1 | 2 | Serious |
| Fri 25 Jan 1991 | Boston | 4 | 1 | Slight |
| Thu 7 Feb 1991 | North Kesteven | 3 | 1 | Slight |
| Thu 14 Feb 1991 | North Kesteven | 2 | 1 | Slight |
| Wed 20 Feb 1991 | Boston | 2 | 1 | Slight |
| Sat 2 Mar 1991 | South Holland | 2 | 1 | Serious |
| Mon 4 Mar 1991 | Boston | 3 | 2 | Serious |
| Tue 12 Mar 1991 | North Kesteven | 2 | 1 | Serious |
| Thu 14 Mar 1991 | South Holland | 1 | 1 | Serious |
| Sun 31 Mar 1991 | North Kesteven | 2 | 2 | Slight |
| Tue 2 Apr 1991 | King's Lynn and West Norfolk | 2 | 1 | Serious |
| Sat 6 Apr 1991 | South Holland | 2 | 1 | Slight |
| Fri 26 Apr 1991 | King's Lynn and West Norfolk | 1 | 1 | Slight |
| Sun 28 Apr 1991 | South Holland | 2 | 3 | Serious |
| Sat 4 May 1991 | South Holland | 1 | 1 | Slight |
| Fri 10 May 1991 | North Kesteven | 2 | 2 | Slight |
| Mon 13 May 1991 | South Holland | 1 | 1 | Slight |
| Mon 13 May 1991 | South Holland | 1 | 1 | Slight |
| Mon 20 May 1991 | North Kesteven | 2 | 3 | Slight |
| Tue 21 May 1991 | North Kesteven | 5 | 3 | Slight |
| Fri 24 May 1991 | South Holland | 2 | 1 | Slight |
| Thu 30 May 1991 | North Kesteven | 2 | 4 | Serious |
| Sat 1 Jun 1991 | North Kesteven | 1 | 2 | Serious |
| Sat 1 Jun 1991 | King's Lynn and West Norfolk | 1 | 1 | Slight |
| Mon 3 Jun 1991 | North Kesteven | 3 | 1 | Fatal |
| Wed 5 Jun 1991 | South Holland | 1 | 1 | Slight |
| Thu 6 Jun 1991 | King's Lynn and West Norfolk | 2 | 3 | Slight |
| Tue 11 Jun 1991 | Boston | 2 | 1 | Serious |
| Fri 14 Jun 1991 | Newark and Sherwood | 2 | 4 | Fatal |
| Fri 14 Jun 1991 | North Kesteven | 3 | 4 | Serious |
| Sat 15 Jun 1991 | King's Lynn and West Norfolk | 5 | 5 | Slight |
| Sat 15 Jun 1991 | Boston | 2 | 2 | Slight |
| Sun 23 Jun 1991 | South Holland | 3 | 1 | Slight |
| Sun 23 Jun 1991 | South Holland | 2 | 1 | Slight |
| Sun 23 Jun 1991 | South Holland | 2 | 1 | Slight |
| Sun 23 Jun 1991 | South Holland | 2 | 5 | Serious |
| Tue 25 Jun 1991 | King's Lynn and West Norfolk | 1 | 1 | Slight |
| Wed 3 Jul 1991 | Boston | 2 | 1 | Serious |
| Wed 3 Jul 1991 | Newark and Sherwood | 2 | 1 | Slight |
| Tue 9 Jul 1991 | Boston | 1 | 1 | Slight |
| Thu 18 Jul 1991 | Boston | 3 | 2 | Slight |
| Sat 20 Jul 1991 | North Kesteven | 2 | 8 | Fatal |
| Thu 25 Jul 1991 | South Holland | 1 | 1 | Slight |
| Fri 26 Jul 1991 | South Holland | 2 | 1 | Slight |
| Sat 27 Jul 1991 | King's Lynn and West Norfolk | 2 | 1 | Slight |
| Tue 30 Jul 1991 | Boston | 3 | 1 | Serious |
| Wed 31 Jul 1991 | North Kesteven | 2 | 2 | Slight |
| Wed 31 Jul 1991 | King's Lynn and West Norfolk | 2 | 2 | Slight |
| Sat 3 Aug 1991 | Boston | 3 | 1 | Slight |
| Tue 6 Aug 1991 | North Kesteven | 2 | 1 | Slight |
| Thu 8 Aug 1991 | Boston | 2 | 3 | Serious |
| Thu 8 Aug 1991 | North Kesteven | 2 | 1 | Slight |
| Thu 8 Aug 1991 | South Holland | 2 | 1 | Slight |
| Fri 9 Aug 1991 | South Holland | 3 | 5 | Slight |
| Mon 12 Aug 1991 | North Kesteven | 4 | 3 | Fatal |
| Tue 13 Aug 1991 | South Holland | 2 | 1 | Slight |
| Fri 16 Aug 1991 | North Kesteven | 1 | 2 | Serious |
| Wed 21 Aug 1991 | North Kesteven | 2 | 2 | Serious |
| Wed 21 Aug 1991 | North Kesteven | 2 | 2 | Serious |
| Sat 24 Aug 1991 | Boston | 3 | 1 | Slight |
| Sat 24 Aug 1991 | North Kesteven | 2 | 4 | Serious |
| Sun 25 Aug 1991 | North Kesteven | 1 | 1 | Slight |
| Tue 27 Aug 1991 | South Holland | 2 | 1 | Serious |
| Thu 29 Aug 1991 | North Kesteven | 2 | 2 | Slight |
| Sat 31 Aug 1991 | North Kesteven | 1 | 1 | Slight |
| Sat 31 Aug 1991 | South Holland | 2 | 3 | Slight |
| Thu 5 Sep 1991 | King's Lynn and West Norfolk | 2 | 2 | Slight |
| Tue 10 Sep 1991 | North Kesteven | 3 | 2 | Fatal |
| Fri 13 Sep 1991 | King's Lynn and West Norfolk | 4 | 2 | Slight |
| Fri 20 Sep 1991 | North Kesteven | 2 | 2 | Slight |
| Fri 20 Sep 1991 | North Kesteven | 2 | 2 | Slight |
| Sat 28 Sep 1991 | North Kesteven | 2 | 1 | Serious |
| Mon 30 Sep 1991 | South Holland | 2 | 1 | Slight |
| Mon 30 Sep 1991 | South Holland | 2 | 1 | Slight |
| Wed 2 Oct 1991 | Newark and Sherwood | 2 | 2 | Serious |
| Wed 2 Oct 1991 | South Holland | 1 | 1 | Slight |
| Sat 5 Oct 1991 | Boston | 1 | 1 | Serious |
| Fri 11 Oct 1991 | Boston | 2 | 1 | Serious |
| Sun 20 Oct 1991 | South Holland | 3 | 4 | Serious |
| Wed 23 Oct 1991 | South Holland | 2 | 1 | Serious |
| Wed 23 Oct 1991 | South Holland | 2 | 1 | Serious |
| Fri 1 Nov 1991 | Boston | 1 | 1 | Slight |
| Tue 5 Nov 1991 | Boston | 2 | 2 | Slight |
| Tue 5 Nov 1991 | North Kesteven | 2 | 1 | Slight |
| Tue 5 Nov 1991 | North Kesteven | 2 | 1 | Slight |
| Wed 6 Nov 1991 | Boston | 3 | 1 | Serious |
| Thu 7 Nov 1991 | South Holland | 3 | 1 | Serious |
| Mon 11 Nov 1991 | North Kesteven | 1 | 1 | Fatal |
| Sun 17 Nov 1991 | North Kesteven | 2 | 1 | Serious |
| Tue 19 Nov 1991 | South Holland | 3 | 3 | Serious |
| Fri 29 Nov 1991 | South Kesteven | 1 | 3 | Slight |
| Fri 29 Nov 1991 | King's Lynn and West Norfolk | 2 | 1 | Slight |
| Mon 2 Dec 1991 | Boston | 3 | 1 | Slight |
| Thu 5 Dec 1991 | Boston | 3 | 1 | Serious |
| Sun 8 Dec 1991 | North Kesteven | 2 | 1 | Serious |
| Tue 10 Dec 1991 | South Holland | 1 | 1 | Slight |
| Wed 11 Dec 1991 | North Kesteven | 3 | 1 | Slight |
| Sun 22 Dec 1991 | South Holland | 3 | 3 | Slight |
| Fri 27 Dec 1991 | Boston | 2 | 3 | Slight |
| Sun 29 Dec 1991 | Boston | 1 | 1 | Serious |
| Tue 31 Dec 1991 | South Holland | 1 | 1 | Slight |