Table 7: Collisions by light condition, road surface condition(1), severity Built-up and non built-up roads, 2014-18 and 2019-2023 averages, 2019 to 2023

		Built-up			Non Built-up			Total
		Fatal	adjusted serious	Total	Fatal	adjusted serious	Total	Fatal	adjusted serious	Total
Daylight	2014-18 ave	30	1,000	3,721	76	740	2,082	106	1,740	5,803
	2019	30	865	2,687	81	653	1,560	111	1,518	4,247
	2020	24	556	1,769	47	399	993	71	955	2,762
	2021	27	614	1,782	65	481	1,135	92	1,095	2,917
	2022	19	602	1,881	64	489	1,175	83	1,091	3,056
	2023	30	665	1,812	68	519	1,237	98	1,184	3,049
	2019-23 ave	26	660	1,986	65	508	1,220	91	1,169	3,206
Darkness	2014-18 ave	19	406	1,319	35	256	721	55	662	2,040
	2019	22	337	972	24	227	554	46	564	1,526
	2020	26	250	708	34	161	427	60	411	1,135
	2021	15	201	599	27	150	391	42	351	990
	2022	25	272	663	43	171	430	68	443	1,093
	2023	24	303	731	29	209	471	53	512	1,202
	2019-23 ave	22	273	735	31	184	455	54	456	1,189
Dry	2014-18 ave	26	916	3,249	66	542	1,454	92	1,458	4,703
	2019	32	793	2,443	62	503	1,186	94	1,296	3,629
	2020	28	503	1,549	34	311	727	62	814	2,276
	2021	29	561	1,705	58	416	948	87	977	2,653
	2022	26	570	1,723	64	415	968	90	985	2,691
	2023	34	636	1,692	54	427	1,005	88	1,063	2,697
	2019-23 ave	30	613	1,822	54	414	967	84	1,027	2,789
Wet/damp/flood	2014-18 ave	22	467	1,672	44	398	1,162	66	864	2,834
	2019	20	388	1,151	42	338	821	62	727	1,972
	2020	22	294	903	44	227	606	66	521	1,509
	2021	13	239	620	30	185	492	43	424	1,112
	2022	17	288	771	42	212	554	59	500	1,325
	2023	19	313	808	40	276	634	59	589	1,442
	2019-23 ave	18	304	851	40	248	621	58	552	1,472
Snow/frost/ice	2014-18 ave	1	23	115	2	55	184	3	78	299
	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
	2023	1	19	43	3	25	69	4	44	112
	2019-23 ave	0	16	47	2	30	86	3	46	133
All conditions	2014-18 ave	49	1,406	5,040	112	996	2,803	161	2,402	7,843
	2019	52	1202	3,659	105	879	2,114	157	2,081	5,773
	2020	50	806	2,477	81	560	1,420	131	1,366	3,897
	2021	42	815	2,381	92	631	1,526	134	1,446	3,907
	2022	44	874	2,544	107	660	1,605	151	1,534	4,149
	2023	54	968	2,543	97	728	1,708	151	1,696	4,251
	2019-23 ave	48	933	2,721	96	692	1,675	145	1,625	4,395

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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