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Interstate 476 north - Plymouth Meeting to Allentown

After 20 miles as the free Mid-County Expressway, Interstate 476 is in Plymouth Township, Montgomery County, Pennsylvania, and approaches an interchange with the mainline Pennsylvania Turnpike, designated here as Interstate 276. Photo taken 08-23-2016.

I-476 now becomes the Northeast Extension of the Turnpike, using the same ticketing system as the mainline. I-476's control city becomes Allentown, while I-276 is simply marked as leading to New Jersey. Photo taken 08-23-2016.

After crossing over the mainline Turnpike, northbound I-476 receives traffic coming from westbound I-276. Photo taken 08-23-2016.

There is then an I-476 reassurance shield as the highway has now become the Northeast Extension, leading 111 miles northward to the Scranton area. Photo taken 08-23-2016.

The speed limit at this time is 70 miles per hour, even given the suburban nature of this segment of the highway and its widening to three lanes in each direction in the mid-to-late 2010s. Photo taken 08-23-2016.

I-476's next two interchanges, marked as Lansdale and Quakertown, sit a respective 10 and 23 miles to the north. Photo taken 08-23-2016.

The highway reaches mile marker 21, a continuation of the MCE's mile markers, and passes under Walton Road, which leads southwest to the local arterial Germantown Pike. Photo taken 08-23-2016.

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