Routes in Washington: fatal crashes by route

29 signed routes in Washington have 20 or more fatal crashes from 2015 to 2024.

Table 1.Routes in Washington: fatal crashes and deaths, 2015 to 2024, in name order
Route	Type	Fatal crashes	Deaths	Counties
Interstate 5	Interstate	390	425	9
Interstate 82	Interstate	79	88	4
Interstate 90	Interstate	161	182	6
Interstate 182	Interstate	26	29	2
Interstate 205	Interstate	23	24	1
Interstate 405	Interstate	31	32	2
State Route 3	State highway	42	42	2
State Route 7	State highway	79	83	2
State Route 9	State highway	37	42	3
State Route 14	State highway	52	60	4
State Route 16	State highway	29	30	2
State Route 17	State highway	39	42	5
State Route 18	State highway	35	37	1
State Route 20	State highway	84	89	9
State Route 26	State highway	29	36	3
State Route 28	State highway	31	32	3
State Route 99	State highway	138	148	3
State Route 161	State highway	22	23	2
State Route 167	State highway	48	49	2
State Route 169	State highway	22	22	1
State Route 503	State highway	29	35	2
State Route 509	State highway	36	42	2
State Route 516	State highway	23	27	1
State Route 522	State highway	21	21	2
US Route 2	US highway	117	131	8
US Route 12	US highway	83	93	10
US Route 97	US highway	79	91	6
US Route 101	US highway	97	109	6
US Route 395	US highway	77	85	7

Note: the counts are not rates. They do not account for the length or the traffic of a route. "Counties" is the number of counties with a fatal crash on the route.