Table 7: Collisions by light condition, road surface condition(1), severity: Built-up and non built-up roads: 2014-18 and 2018-2022 averages, 2018 to 2022

		Built-up			Non Built-up			Total
		Fatal	adjusted serious	Total	Fatal	adjusted serious	Total	Fatal	adjusted serious	Total
Daylight	2014-18 ave	30	1016	3,721	76	750	2,082	106	1,766	5,803
	2018	28	890	2,991	74	723	1,767	102	1,613	4,758
	2019	30	871	2,688	81	657	1,560	111	1,528	4,248
	2020	24	554	1,768	47	399	993	71	953	2,761
	2021	28	613	1,784	66	481	1,135	94	1,094	2,919
	2022	18	601	1,874	67	487	1,175	85	1,088	3,049
	2018-22 ave	26	706	2,221	67	549	1,326	93	1,255	3,547
Darkness	2014-18 ave	19	413	1,319	35	260	721	55	673	2,040
	2018	15	361	1,046	33	241	628	48	602	1,674
	2019	22	339	972	24	228	554	46	567	1,526
	2020	26	249	708	34	161	427	60	410	1,135
	2021	15	201	598	27	150	391	42	351	989
	2022	25	270	658	43	169	427	68	439	1,085
	2018-22 ave	21	284	796	32	190	485	53	474	1,282
Dry	2014-18 ave	26	931	3,250	66	550	1,454	92	1,481	4,703
	2018	28	840	2,704	70	564	1,309	98	1,403	4,013
	2019	32	799	2,444	62	506	1,186	94	1,305	3,630
	2020	28	502	1,549	34	311	727	62	813	2,276
	2021	30	560	1,706	59	415	948	89	975	2,654
	2022	26	568	1,715	67	412	966	93	980	2,681
	2018-22 ave	29	654	2,024	58	442	1,027	87	1,095	3,051
Wet/damp/flood	2014-18 ave	22	474	1,672	44	404	1,162	66	878	2,834
	2018	15	383	1,195	36	336	881	51	719	2,076
	2019	20	391	1,151	42	340	821	62	731	1,972
	2020	22	292	902	44	227	606	66	519	1,508
	2021	13	239	620	30	186	492	43	425	1,112
	2022	16	287	767	42	211	553	58	498	1,320
	2018-22 ave	17	318	927	39	260	671	56	578	1,598
Snow/frost/ice	2014-18 ave	1	23	115	2	56	184	3	79	299
	2018	-	27	129	1	60	192	1	87	321
	2019	-	21	64	1	38	107	1	59	171
	2020	-	9	23	3	22	87	3	31	110
	2021	-	15	56	4	30	86	4	45	142
	2022	1	16	48	1	33	83	2	49	131
	2018-22 ave	0	18	64	2	37	111	2	54	175
All conditions	2014-18 ave	49	1,429	5,040	112	1,010	2,803	161	2,439	7,843
	2018	43	1251	4,037	107	963	2,395	150	2,215	6,432
	2019	52	1210	3,660	105	885	2,114	157	2,095	5,774
	2020	50	803	2,476	81	560	1,420	131	1,363	3,896
	2021	43	814	2,382	93	631	1,526	136	1,445	3,908
	2022	43	871	2,532	110	656	1,602	153	1,527	4,134
	2018-22 ave	46	990	3,017	99	739	1,811	145	1,729	4,829

1. Separate codes for the road surface conditions 'Oil or Diesel' and 'Mud' were used between 1999 and 2004, inclusive. With effect from 2005, 'Oil or diesel' and 'mud' have been recorded under 'Special Conditions at Site'. The collisions for which these codes were used are included in the 'All conditions' figures, but not under any of the categories 'Dry', 'Wet/Damp/Flood' or 'Snow/Frost/Ice', so these changes should have had very little or no effect on the time series.

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