Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 3 Jan 1999 | North Lincolnshire | 2 | 1 | Slight |
| Thu 7 Jan 1999 | North Lincolnshire | 2 | 1 | Slight |
| Fri 29 Jan 1999 | West Lindsey | 2 | 1 | Slight |
| Sun 14 Feb 1999 | West Lindsey | 2 | 2 | Serious |
| Mon 1 Mar 1999 | West Lindsey | 2 | 1 | Slight |
| Sat 6 Mar 1999 | West Lindsey | 2 | 1 | Slight |
| Thu 25 Mar 1999 | North Lincolnshire | 3 | 2 | Slight |
| Sat 3 Apr 1999 | North Lincolnshire | 2 | 5 | Serious |
| Sat 3 Apr 1999 | North Lincolnshire | 2 | 1 | Slight |
| Wed 7 Apr 1999 | North Lincolnshire | 2 | 1 | Slight |
| Mon 26 Apr 1999 | West Lindsey | 2 | 1 | Serious |
| Wed 28 Apr 1999 | West Lindsey | 2 | 1 | Slight |
| Sat 15 May 1999 | North Lincolnshire | 2 | 1 | Slight |
| Fri 28 May 1999 | West Lindsey | 2 | 1 | Serious |
| Mon 7 Jun 1999 | North Lincolnshire | 2 | 4 | Serious |
| Sat 10 Jul 1999 | West Lindsey | 2 | 1 | Slight |
| Tue 3 Aug 1999 | West Lindsey | 1 | 1 | Serious |
| Thu 5 Aug 1999 | North Lincolnshire | 2 | 1 | Slight |
| Sun 29 Aug 1999 | North Lincolnshire | 2 | 4 | Slight |
| Tue 7 Sep 1999 | Lincoln | 2 | 1 | Slight |
| Wed 8 Sep 1999 | North Lincolnshire | 2 | 1 | Slight |
| Fri 10 Sep 1999 | West Lindsey | 4 | 1 | Slight |
| Sun 12 Sep 1999 | North Lincolnshire | 1 | 1 | Slight |
| Fri 1 Oct 1999 | North Lincolnshire | 2 | 1 | Slight |
| Wed 6 Oct 1999 | North Lincolnshire | 3 | 2 | Slight |
| Sat 30 Oct 1999 | North Lincolnshire | 1 | 1 | Serious |
| Tue 2 Nov 1999 | North Lincolnshire | 2 | 1 | Slight |
| Wed 10 Nov 1999 | West Lindsey | 2 | 1 | Slight |
| Fri 19 Nov 1999 | West Lindsey | 2 | 2 | Slight |
| Sat 11 Dec 1999 | North Lincolnshire | 1 | 2 | Slight |
| Tue 14 Dec 1999 | North Lincolnshire | 2 | 1 | Slight |
| Thu 16 Dec 1999 | North Lincolnshire | 1 | 1 | Slight |
| Sat 18 Dec 1999 | North Lincolnshire | 2 | 1 | Slight |
| Mon 20 Dec 1999 | North Lincolnshire | 2 | 1 | Slight |
| Fri 24 Dec 1999 | North Lincolnshire | 1 | 1 | Slight |
| Fri 24 Dec 1999 | North Lincolnshire | 2 | 3 | Slight |