Posey Tube

Eastern Mojave Vegetation	Posey Tube, Alameda and Oakland, Alameda County, California
	Tom Schweich

	From Alameda to Oakland, northbound, from Webster Street and Constitution Way in Alameda, to Harrison Street in Oakland.
Other articles: • 6th Street: at Harrison; • Harrison Street: at 6th;	Intersection: Harrison Street, straight ahead for downtown Oakland, or prepare to turn right for Interstate 880. Merge from 6th Street Ramp up to 6th Street and 7th Street from tube portal.
	Oakland above … Glub, glub, glub, … Alameda below …
Other articles: • Webster Street: at portal;	Portal of Webster Tube Intersection: Webster Street, in Alameda.
If you have a question or a comment you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.	[Home Page] [Site Map] Date and time this article was prepared: 1/24/2026 11:25:47 AM