Generalized diagram of this intersection's form.

NE 129th St. / Hwy. 99

Use the tabs below to select various information provided for this intersection. The first tab offers a map of the intersection location, and a means of locating nearby count locations. Data for each intersection is offered by “leg” which is, at times, not entirely intuitive. Waving your mouse over the names above should clear up any ambiguities. Directional Average Weekday (24 hour average), AM Peak Hour (7-8 a.m.), PM Peak Hour (peak hour between 4-6 p.m.), and PM Peak Turn Movement (right, left, and through), are included in the summary. The final tab provides scanned PDF documents (where available) of the original count data for this intersection.

Location
North Leg
South Leg
East Leg
West Leg
Scans

Aerial Map

North Leg Traffic Counts (Hwy. 99)

Year	NB ADT	SB ADT	ADT	NB PM	SB PM	NB AM	SB AM
2022	8816	8964	17780	661	717	590	557
2019	0	0	0	0	0	0	0
2017	0	0	0	0	0	0	0
2015	0	0	0	0	0	0	0
2011	0	0	0	0	0	0	0
2009	8175	7874	16049	637	709	501	378
2002	10120	8904	19024	905	744	752	507
1997	0	0	0	0	0	0	0

South Leg Traffic Counts (Hwy. 99)

Year	NB ADT	SB ADT	ADT	NB PM	SB PM	NB AM	SB AM
2022	0	0	0	0	0	0	0
2019	7915	8756	16671	620	807	508	352
2017	7823	8491	16314	620	774	503	366
2015	7819	8793	16612	541	715	464	304
2011	6506	7425	13931	501	701	474	289
2009	0	0	0	0	0	0	0
2002	10164	8606	18770	978	800	732	465
1997	0	0	0	0	0	0	0

East Leg Traffic Counts (NE 129th St.)

Year	EB ADT	WB ADT	ADT	EB PM	WB PM	EB AM	WB AM
2022	0	0	0	0	0	0	0
2019	0	0	0	0	0	0	0
2017	0	0	0	0	0	0	0
2015	0	0	0	0	0	0	0
2011	0	0	0	0	0	0	0
2009	0	0	0	0	0	0	0
2002	1505	1498	3002	119	188	76	32
1997	0	0	0	0	0	0	0

West Leg Traffic Counts (NE 129th St.)

Year	EB ADT	WB ADT	ADT	EB PM	WB PM	EB AM	WB AM
2022	0	0	0	0	0	0	0
2019	0	0	0	0	0	0	0
2017	0	0	0	0	0	0	0
2015	0	0	0	0	0	0	0
2011	0	0	0	0	0	0	0
2009	0	0	0	0	0	0	0
2002	2286	2203	4489	202	302	216	97
1997	2068	2061	4129	184	237	145	30