Is I-110 and US-190/61 the only 4 stack interchange in Louisiana?

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I can't think of any others in the whole state. Which is sad.

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BATON ROUGE EXPRESSWAY

The genesis of the present I-110 was a short stretch of freeway constructed in the mid-1950s called the Baton Rouge Expressway. The first section extended roughly one mile (1.6 km) between Boyd Avenue (now Spanish Town Road) and Plank Road.[9] Traffic was fed onto the expressway from the downtown area via the one-way couplet of North 9th and 10th Streets, a continuation of the divided thoroughfare of East Boulevard.[9] The expressway was not initially constructed as part of the Interstate Highway System, although the Louisiana Department of Highways designed it for future inclusion.[10] It was given the internal designation of LA 3022 and also served as part of US 61/190 Bus. from its opening on August 20, 1957 until 1960.

INTERSTATE 410

In 1960, US 61/190 Bus. was moved onto its present route, and the Baton Rouge Expressway became part of the newly designated I-410. By 1963, the expressway was extended south to Government Street.[9][12] The connections to I-10 were made when the adjoining sections of that highway were completed eastbound to Perkins Road in September 1964[13] and westbound across the Mississippi River in April 1968.[14]

I-410 was intended as a northern beltway extending from I-10 west of Port Allen, crossing the Mississippi River via the existing Huey P. Long Bridge on US 190, and then traveling along the present route of I-110 southward to rejoin I-10.[15] This plan was scrapped around 1965, and the Baton Rouge Expressway was renumbered as I-110 to reflect its function as a north–south spur.

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The Neanderthal who designed this should be exhumed, hanged, and shot.

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