I-290 begins at a semi-directional T interchange with I-190 within view of the Niagara River in an industrial sector of the Buffalo suburb of Tonawanda. The freeway heads east from I-190 into more residential areas of Tonawanda, where it meets New York State Route 384 (NY 384) at a three-quarter cloverleaf interchange. The two missing portions of the cloverleaf, both ramps leading to NY 384 from I-290 eastbound, are replaced by an exit to Elmwood Avenue located slightly west of the NY 384 exit. To the east of NY 384 (and adjacent to the southeasternmost point in the city of Tonawanda), I-290 interchanges with the Twin Cities Memorial Highway (NY 425).
The Youngmann continues east through Tonawanda to the Amherst town line, where it meets US Route 62 (US 62) at a second three-quarter cloverleaf interchange. Unlike the interchange with NY 384, all connections are possible between I-290 and US 62 due to a modified ramp linking I-290 westbound to US 62. Past US 62 in Amherst, I-290 turns to the southeast ahead of a semi-directional T interchange with I-990, a spur to Lockport. Farther east, I-290 meets NY 263 (Millersport Highway) at a cloverleaf interchange and NY 324 and NY 240 at a modified diamond interchange south of the University at Buffalo's north campus in Amherst.
I-290 westbound near I-990
Near Williamsville, I-290 turns southward and intersects NY 5 (Main Street) at a modified cloverleaf interchange. I-290 terminates at a semi-directional T interchange with the New York State Thruway (I-90) a half-mile (0.80 km) to the south on the Amherst–Cheektowaga town line. This interchange is colloquially referenced as "The Blue Water Tower" due to its proximity to a large blue water tower on the Amherst–Cheektowaga town line.
History
What is now I-290 was originally intended to be designated I-190. The route was renumbered I-290 in 1958 to better reflect the future highway's routing as a connector between two Interstate Highways (or a bypass of Buffalo) rather than a spur.[2] Construction on the expressway began c. 1962 when work commenced on the section between NY 263 and the New York State Thruway.[5][6] This section was finished by the following year, by which time work had begun on the remainder of the freeway.[7] The section between NY 263 and US 62 was opened to traffic c. 1964[7][8] while the rest was finished in the mid-1960s.[3][4] The interchange with what is now I-990 was built in 1983.[9]
The expressway was originally named the Power Line Expressway for the high tension power lines that parallel the expressway. It was renamed in the early 1960s[6][8] to serve as a memorial to Elmer G. H. Youngmann, a project engineer who died while the road was being built.[2] The official name of the freeway became the Youngmann Memorial Highway;[4] however, the name Youngmann Expressway has also been frequently used over the years.[8]
I-190 / New York Thruway in Tonawanda
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