Indeed, the first two-laned portion of the Hampton Roads Bridge-Tunnel was built with toll revenue bond funding in 1957 prior to the creation of I-64.

(Tolls were removed when the other two lanes and tunnel were built adjacently to the immediate south of the older structure with federal Interstate Highway funding in the mid 1970s.)

In January, 1997, a 56-mile (90 km)-long I-64/I-664 loop was designated by the Virginia Department of Transportation (and signed) as the Hampton Roads Beltway.

I-664 begins at a full Y interchange with I-64 and I-264 that serves as the terminus of all three Interstates in the Bowers Hill section of the city of Chesapeake.

The rail spur leaves the median and heads northeast toward Portsmouth just south of its interchange with SR 164 (Western Freeway) and US 17 (Bridge Road).

[1][2] North of SR 135, northbound I-664 has a vehicle inspection station and crossovers before the highway enters the Monitor-Merrimac Memorial Bridge-Tunnel.

I-664 heads north-northeast along a causeway for 3 miles (4.8 km) to a point west of the Newport News Middle Ground Light, where the pair of bridges curve to the north-northwest onto an artificial island where the highway descends into a pair of tunnels under the estuary's main shipping channel.

The Interstate parallels the southern end of CSX's Peninsula Subdivision as it passes through interchanges with several streets to the east of downtown Newport News.

The Interstate enters the city of Hampton and has diamond interchanges with Aberdeen Road and Powhatan Parkway before reaching its northern terminus at I-64.

It continues through Norfolk, curving multiple times and eventually ending up heading due south as it passes the interchange with another of its spur routes, Interstate 264 on the northwest side of Virginia Beach.

After I-264, there are no more directional markers I-64 until its "eastern" terminus, because I-64 "east" will actually head west after its current southward course, and vice versa.

Construction will be conducted in multiple phases, similar to the widening project on the Peninsula: Once completed, the entire corridor would be an eight-lane stretch of highway, with two 135-ft fixed span bridges.

In 2016, VDOT undertook a project to build and improve on the exit ramp from the Outer Loop (I-64 westbound, from Chesapeake towards Norfolk/Hampton) to eastbound I-264.