Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 6 Jan 1999 | Boston | 2 | 1 | Slight |
| Sat 17 Apr 1999 | Boston | 2 | 1 | Slight |
| Sat 24 Apr 1999 | Boston | 3 | 1 | Slight |
| Sun 16 May 1999 | East Lindsey | 1 | 1 | Slight |
| Mon 7 Jun 1999 | East Lindsey | 2 | 1 | Slight |
| Thu 17 Jun 1999 | East Lindsey | 2 | 1 | Slight |
| Fri 16 Jul 1999 | East Lindsey | 4 | 1 | Slight |
| Sat 24 Jul 1999 | East Lindsey | 1 | 1 | Serious |
| Mon 2 Aug 1999 | Boston | 2 | 1 | Slight |
| Mon 30 Aug 1999 | East Lindsey | 1 | 2 | Serious |
| Mon 30 Aug 1999 | East Lindsey | 2 | 1 | Serious |
| Wed 15 Sep 1999 | East Lindsey | 3 | 6 | Serious |
| Sat 27 Nov 1999 | East Lindsey | 1 | 1 | Serious |
| Fri 3 Dec 1999 | East Lindsey | 2 | 2 | Slight |
| Mon 6 Dec 1999 | East Lindsey | 2 | 3 | Serious |
| Wed 8 Dec 1999 | East Lindsey | 1 | 1 | Slight |
| Mon 13 Dec 1999 | Boston | 1 | 1 | Slight |