Interstate 780

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Interstate 780 Auxiliary route of the Interstate Highway System
(CS&HC Section 623)
Length:	6.52 mi[1] (10.49 km)
Formed:	September 15, 1955 by FHWA[2] 1976 by Caltrans (from I-680)[3]
West end:	I-80 in Vallejo
East end:	I-680 in Benicia
California State Routes < SR 740 I-805 > Unconstructed - Deleted - Freeway - Scenic

Interstate 780 (abbreviated I-780) is a 6.5 mile-long Interstate connector in northern California between Interstate 80 in Vallejo and Interstate 680 at the approach to the Benicia-Martinez Bridge in Benicia. Both cities are in the northeastern San Francisco Bay Area.

Contents 1 History 2 Control Cities 3 Exit list 4 State Law 5 References 6 External links

[edit] History

Prior to 1976, the highway was the northernmost segment of I-680. When 680 signage was shifted to the State Route 21 corridor between Benicia and Cordelia in 1976, the Benicia-Vallejo route was rechristened Interstate 780.

[edit] Control Cities

Eastbound

• Benicia

Westbound

• Vallejo

[edit] Exit list

County	Location	Mile[1]	#[4]	Destinations	Notes
Solano	Vallejo			Curtola Parkway	Freeway begins and ends
		0.00	1A	I-80 west - San Francisco
			1B	I-80 east - Sacramento
		0.13	1C	Laurel Street	Westbound exit and entrance accessible via Reis Avenue; Eastbound exit and entrance accessible via Spruce Street[5]
		1.20	1D	Glen Cove Road
	Benicia	2.24	3A	Columbus Parkway	Eastbound exit and entrance accessible via Rose Drive[6]
		3.20	3B	Military West (Street)	Eastbound entrance accessible via Southampton Road[7]
		3.39	4	Southampton Road
		5.19	5	East Second Street
		5.62	6	East Fifth Street
		6.52	7A	I-680 north - Sacramento	Left exit, exit 7 westbound
			7B	I-680 south - San Jose
Traffic defaults onto I-680 south.

[edit] State Law

Route 780 is part of the Freeway and Expressway System, as stated by section 253.1 of the California State Highway Code.

[edit] References

1. ^ ^{a b} January 1, 2006 California Log of Bridges on State Highways
2. ^ California Highways: Interstate Highway Types and the History of California's Interstates
3. ^ California Highways: Interstate 780
4. ^ Cal-NExUS Interchange Exit Numbering
5. ^ Google Local: Laurel Street interchange
6. ^ Google Local: Columbus Parkway interchange
7. ^ Google Local: Military West interchange

[edit] External links

• 3 digit interstates at kurumi.com: Interstate 780
• California Highways: Interstate 780
• Western Exit Guide: Interstate 780 California

	edit Auxiliary routes of Interstate 80
	Current and Future (F)	Former
	Illinois - Nebraska - Pennsylvania - Wyoming	California - Pennsylvania
	California - Illinois/Iowa - New Jersey - Ohio	Nebraska - Pennsylvania
	California - Iowa - Pennsylvania
	Iowa/Nebraska - Ohio	California - Pennsylvania
	California - Nevada	Nebraska
	California - Iowa/Nebraska - Ohio	Pennsylvania
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