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Former Interstate 305

Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.

Routing Routing

FAI 305Not applicable.

Post 1964 Signage History Post 1964 Signage History

Route 305 was never legislatively defined. However, there is a portion of a route that is known to AASHTO as I-305 for funding purposes. This segment, from the Route I-80/US50 interchange in West Sacramento to the Route 99/US50 interchange was originally part of I-80. It was redesignated as chargeable I-305 in May 1980 (and that designation remains on the books at AASHTO). Later in 1980, it was reassigned to US 50. It is currently signed as US50/Business Route 80 from the jct with Route 99/US50/Business Route 80 on east side of Sacramento to the jct. with I-80.

Note: Although I-305 is signed as US 50, itis still on the books as Federal-Aid Interstate 305. The FHWA log shows it as 8 miles.

Pre 1964 Signage History Pre 1964 Signage History

This was part of LRN 7 and LRN 3.

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Acronyms and Explanations:

Back Arrow Route 299 Forward Arrow Route 330

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Maintained by: Daniel P. Faigin <>.