Interstate 175

Interstate 175
South Bay Drive
Route information
Auxiliary route of I-75
Maintained by FDOT
Length:	1.44 mi (2.317 km)
Existed:	1980 – present
Major junctions
West end:	I-275 in St. Petersburg
East end:	SR 687 in St. Petersburg
Location
Counties:	Pinellas
Highway system
Auxiliary route of the Interstate Highway System Main • Auxiliary • Business Florida State Roads Interstate • US • SR (Pre-1945) • Toll ← SR 173 SR 177 → ← SR 592 I-595 →

Interstate 175 (I-175) in St. Petersburg, Florida, also known as South Bay Drive, is a 1.44-mile-long spur route from Interstate 275 into downtown. It is also designated as the unsigned State Road 594. There is a sibling segment of freeway nearby designated as I-375.

Route description

The interstate begins at I-275 with Tropicana Field on the northeast side of the interchange, going east into downtown St. Petersburg, passing through eastbound exits with 9th Street South/8th Street South and 6th Street South before the interstate ends at 5th Avenue South next to an at-grade intersection with 4th Street South. Westbound, the interstate begins with a split from southbound 4th Street South just north of the 4th Street South/5th Avenue South intersection, and has no exits until the interchange with I-275. Along with its sister highway I-375, I-175 lacks exit numbers.

History

The freeway was originally to have been a part of the former Pinellas Belt Expressway, which would have continued from its western terminus at I-275. The Pinellas Belt Expressway was budgeted in 1974 but was cancelled in the late 1970s due to local opposition. I-175 was built between 1977 and 1980 and opened on April 23, 1980 at a cost of $5.5 million ($13.7 million in 2007 dollars).

When I-75 was relocated in the late 1970s/early 1980s, five miles (8 km) of additional interstate became available; thus, the St. Petersburg feeder sections of I-175 and neighboring I-375 were upgraded to interstate status.

Exit list

The entire route is in St. Petersburg, Pinellas County.

Mile	Destinations	Notes
0.000	I-275 – Bradenton, Tampa	Westbound exit and eastbound entrance
0.850	9th Street South, 8th Street South	Eastbound exit and westbound entrance
1.152	6th Street South	Eastbound exit and westbound entrance
1.439	4th Street South to SR 687	At-grade intersection
1.439	5th Avenue South	Continuation beyond 4th Street South

External links

• [2] I-175 @ SouthEastRoads.com (Part of AARoads.com)
• Kurumi - I-175 Florida
• Interstate 175 Florida page at Interstate275Florida.com