Idaho State Highway 19

State highway in Idaho, United States

Major junctionsWest end

OR 201 near HomedaleMajor intersections

US 95 in WilderEast end

I-84 / US 30 in Caldwell LocationCountryUnited StatesStateIdahoCountiesCanyon, Owyhee Highway system

Idaho State Highway System

←

SH-16

→

US 20

State Highway 19 (SH-19) is a state highway in Idaho from the Oregon state line to Interstate 84 (I-84) and U.S. Route 30 (US 30) in Caldwell. SH-19 is signed as an east–west highway.

Route description

Its western terminus is at the Oregon state line; the highway continues west then north as Oregon 201. After passing through Homedale, it is concurrent with US 95 to Wilder. SH-19 then turns east, passing through Greenleaf before ending at I-84 in Caldwell.^[2]

History

SH-19 was extended through downtown Caldwell to an interchange with I-84 in 2022 as part of a long-term relinquishment of I-84 Business to the city government.^[3]

Major intersections

County	Location	mi^[1]^[2]	km	Destinations	Notes
Owyhee		0.000	0.000	OR 201
	Homedale	4.827 34.195	7.768 55.032	Main Street / Idaho Avenue	Old alignment of US 95
		34.572	55.638	US 95 Conn.
		34.638	55.744	US 95 south – Marsing, Jordan Valley	West end of US 95 overlap
Canyon	Wilder	38.429 9.070	61.845 14.597	US 95 north – Wilder, Payette	East end of US 95 overlap
	Caldwell	19.830	31.913	SH-19 Conn. to I-84 BL – Nampa
		19.915	32.050	I-84 BL east – Nampa	West end of I-84 Bus. overlap
		20.855	33.563	I-84 / US 30 – Ontario, Nampa, Boise	East end of I-84 Bus. overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Connector route

State Highway 19 Connector

Location	Caldwell
Length	0.045 mi^[1] (72 m)

State Highway 19 Connector is a short one-way route connecting SH-19 and I-84 Bus.^[1]

References

^ ^a ^b ^c ^d "Milepoint Log – State Highway System: SH-19" (PDF). Idaho Transportation Department. January 26, 2016. Retrieved February 12, 2023.
^ ^a ^b "State Highway 19" (Map). Google Maps. Google. July 20, 2012. Retrieved July 20, 2012.
^ "Regular Meeting of the Idaho Transportation Board, February 17, 2022" (PDF). Idaho Transportation Department. February 17, 2022. p. 12. Retrieved February 12, 2023.