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Interstate 476 north - Mid-County Expressway
Northbound Interstate 476 begins at Interstate 95 outside of the city of Chester in Delaware County and promptly approaches exit 1 at MacDade Boulevard. This first 20-mile segment of I-476 is known as the Mid-County Expressway and is also nicknamed the Blue Route, in reference to the color in which it was drawn as one of three potential routings for the expressway, with red and green lines representing other options. Photo taken 10-09-2025.
The exit 1 gore sign. Photo taken 10-09-2025.
The movement from the ramp from I-95 south to I-476 north and MacDade is passed over by the northbound carriageway of I-476 here. Photo taken 10-09-2025.
The right lane ends in ⅝ mile, a measurement Pennsylvania continues to hold on to while other states have moved on from it. Photo taken 10-09-2025.
Likewise, the far-left lane ends in a quarter of a mile. Photo taken 10-09-2025.
MacDade Boulevard itself, a continuation of 22nd Street from Upland and Woodlyn, is crossed at this point. Photo taken 10-09-2025.
The cloverleaf ramp from I-476 north to westbound MacDade presents a tipping hazard for large trucks. Photo taken 10-09-2025.
The right lane is now ⅜ mile from its end. Photo taken 10-09-2025.
In 2025, PennDOT began installing electronic variable speed limit signs along the Mid-County Expressway similar to those along the Schuylkill Expressway and I-495 in Delaware, where the posted speed can be adjusted based on factors like congestion, weather and construction. Photo taken 10-09-2025.
At right, northbound I-476 receives traffic from either direction of MacDade. Photo taken 10-09-2025.
Bullens Lane passes over the Interstate at the MacDade entrance ramp gore point. Photo taken 10-09-2025.
At mile marker 1, I-476's median has widened slightly, it is down to two lanes in each direction, and a sound barrier lines the northbound lanes. Photo taken 10-09-2025.
The highway soon comes upon and crosses Crum Creek. Photo taken 10-09-2025.
PennDOT designates the Mid-County Expressway as a Veterans Memorial Highway. Photo taken 10-09-2025.
The Interstate then passes under Pennsylvania Route 320 (Chester Road). Photo taken 10-09-2025.
After a second crossing of the Crum, I-476 begins paralleling the creek and enters Nether Providence Township, which the Crum forms the eastern boundary of. Photo taken 10-09-2025.
At mile marker 1.8, the highway crosses Rose Valley Road. Photo taken 10-09-2025.
In one mile, I-476 meets Baltimore Pike at exit 3. On guide signs, only the exit's control cities, Media and Swarthmore, are displayed. Photo taken 10-09-2025.
Baltimore Pike, the historic alignment of US 1 from just west of Media into the University City section of west Philadelphia, is mentioned by name on the sign at right, along with Springfield which is accessible from the next two exits. Photo taken 10-09-2025.
This tubular bridge then carries SEPTA's Media/Wawa line over I-476 less than half a mile to the east of the Wallingford station. Photo taken 10-09-2025.
Rogers Lane then passes overhead at about a 45-degree angle. Photo taken 10-09-2025.
Exit 5, which follows exit 3 by 1¾ miles, intersects U.S. Route 1 (Media Bypass/State Road) and has control cities of Lima and Springfield. Photo taken 10-09-2025.
Plush Mill Road has an overpass seen here which more or less sits over top of the northbound offramp and southern onramp gore points of exit 3. Photo taken 10-09-2025.
Baltimore Pike passes under the Interstate here, going nearly due west into downtown Media, Delaware County's seat, and east toward the Springfield Mall where it meets Swarthmore Avenue. Photo taken 10-09-2025.
At the north end of exit 3, I-476 crosses the right-of-way of the D1 line, part of SEPTA's D light rail service, which has a stop at Springfield Mall just to the east. Photo taken 10-09-2025.
There is I-476 reassurance after exit 3, and just to the east of this spot sits the Springfield Country Club. Photo taken 10-09-2025.
The highway crosses the Crum twice more as it bends to the east. Photo taken 10-09-2025.
I-476 now finds itself in Springfield Township. Photo taken 10-09-2025.
The highway is now half a mile from exit 5. Photo taken 10-09-2025.
The next overpass is at Beatty Road. Photo taken 10-09-2025.
Exit 5 is around this curve. Photo taken 10-09-2025.
The curve is still ongoing at the northbound offramp gore point. Photo taken 10-09-2025.
The Media Bypass, a limited-access freeway similar to the Kennett Oxford Bypass further west and south in Chester County (with the main difference being its more urban arterial nature), ends here, and this interchange is set up so that US 1 has elevated carriageways facilitating movements to and from I-476 with traffic signals, whereas US 1 through traffic proceeds through the interchange at ground level, bypassing said signals. Photo taken 10-09-2025.
At mile marker 5, I-476 crosses the southbound US 1 exit carriageway, followed by Old Marple Road. Photo taken 10-09-2025.
The onramp in the distance is metered with a traffic signal with "one car per green" signage. Photo taken 10-09-2025.
After going uphill, I-476 passes under PA 320. Photo taken 10-09-2025.
Immediately afterward, Springfield Road passes overhead. Photo taken 10-09-2025.
Cardinal O'Hara Drive, the entrance to the Cardinal O'Hara High School on the west side of the Interstate off Springfield Road, is the next overpass. Photo taken 10-09-2025.
The highway next crosses Whetstone Run and Reed Road. Photo taken 10-09-2025.
The Interstate curves left before entering Marple Township. Photo taken 10-09-2025.
Exit 9 intersects Pennsylvania Route 3 (West Chester Pike) toward Broomall and Upper Darby in one mile. Photo taken 10-09-2025.
Exit 9 can be used to reach Newtown Square and Havertown. Photo taken 10-09-2025.
Exit 9 sits ahead after a curve. Photo taken 10-09-2025.
Lawrence Road passes overhead at an incline at the curve preceding exit 9. Photo taken 10-09-2025.
The exit 9 offramp to PA 3 is to the right. Photo taken 10-09-2025.
PA 3 soon crosses the highway. Photo taken 10-09-2025.
The northbound onramp from PA 3 sits ahead. Photo taken 10-09-2025.
At a lefthand curve after the exit, the highway glides downhill with I-476 reassurance. Photo taken 10-09-2025.
A distance later, the Interstate passes under Marple Road. Photo taken 10-09-2025.
The highway goes on to cross Darby Creek. Photo taken 10-09-2025.
Next, it crosses Meadowbrook Run. Photo taken 10-09-2025.
The highway proceeds into Radnor Township. Photo taken 10-09-2025.
A crossing of Clyde Road is just ahead. Photo taken 10-09-2025.
U.S. Route 30 (Lancaster Avenue) with control cities of St. Davids and Villanova is intersected at exit 13 in one mile. Photo taken 10-09-2025.
There is an overpass in the meantime that sits directly over the intersection of PA 320 and Conestoga Road at the community of Ithan. Photo taken 10-09-2025.
Exit 13 is on the other side of this slight bend to the right. Photo taken 10-09-2025.
The exit 13 gore. Photo taken 10-09-2025.
The northbound offramp for exit 13 passes under I-476 and meets US 30 on the west side of the Interstate. Meanwhile, the southbound offramp passes under US 30 and the southbound offramp and then loops back around to reach US 30 a few feet west of the end of the northbound offramp, which then continues north as the Radnor High School Trail. Photo taken 10-09-2025.
I-476 then crosses US 30. US 30 immediately west of Philadelphia runs through the city's Main Line suburbs, named for the historic Main Line Railroad corridor to the north. Photo taken 10-09-2025.
Two-mile advance notice for exit 16 - intersecting I-476's parent, Interstate 76 (Schuylkill Expressway) with control cities Philadelphia and Valley Forge - is appended to an overpass under the Main Line's current iteration: the Philadelphia to Harrisburg Main Line, part of Amtrak's Keystone Corridor, which at this spot also carries SEPTA's Paoli/Thorndale Line. Photo taken 10-09-2025.
The highway's junction with the Pennsylvania Turnpike is 6 miles to the north. Photo taken 10-09-2025.
Conshohocken can be reached from exit 16A, and state capital Harrisburg from exit 16B via the Turnpike, Interstate 283 and Interstate 83. Photo taken 10-09-2025.
County Line Road now passes overhead; this marks I-476's entry into Montgomery County. Photo taken 10-09-2025.
Before the exit, the highway crosses PA 320 which is now known as Montgomery Avenue. About ¼ mile to the north lies the Matsonford station of the M line. Photo taken 10-09-2025.
Exit 16A (I-76 east) includes access to Pennsylvania Route 23 (Front Street) by way of Matsonford Road. To reach Conshohocken, one may take Fayette Street past PA 23 across the Schuylkill River. Photo taken 10-09-2025.
Exit 16A bears overhead signage pointing toward each highway. Photo taken 10-09-2025.
Exit 16B, a cloverleaf ramp to I-76 west, soon follows. Photo taken 10-09-2025.
I-476 then proceeds over I-76. Photo taken 10-09-2025.
The exit 16B gore sign. Photo taken 10-09-2025.
Immediately afterward, the Interstate crosses Matsonford Road. Photo taken 10-09-2025.
Northbound I-476 receives traffic from each direction of I-76 to the right. Photo taken 10-09-2025.
There is then a crossing of Balligomingo Road. Photo taken 10-09-2025.
After exit 16, as the highway begins curving to the right, there is I-476 reassurance. Photo taken 10-09-2025.
The Interstate then crosses the Schuylkill River and SEPTA's Manayunk/Norristown Line, whose Conshohocken station is a few hundred feet to the southeast along the Schuylkill's right bank. Photo taken 10-09-2025.
In one mile, exit 18 serves the boroughs of Conshohocken and Norristown, the latter of which is the seat of Montgomery County. Photo taken 10-09-2025.
Plymouth Creek is then crossed over by the Interstate. Photo taken 10-09-2025.
Two miles away sits a toll plaza at I-476's junction with the Turnpike mainline (I-276), where I-476 itself becomes the Turnpike's Northeast Extension with a northbound control city of Allentown. The Turnpike mainline, which I-95 joins in Bristol in Bucks County, can be used to reach the New Jersey Turnpike, which in turn leads toward New York City. Westbound, the mainline leads toward Harrisburg, transitioning from I-276 to I-76 at Valley Forge. Photo taken 10-09-2025.
The highway then crosses Brook Road. Photo taken 10-09-2025.
Exit 18's cross street is then revealed as Ridge Pike. Westbound (18B), it leads to Chemical Road. Photo taken 10-09-2025.
As exit 18A nears, one-mile advance signage appears for exit 19 toward Plymouth Meeting. Photo taken 10-09-2025.
The exit 18A gore sign. Photo taken 10-09-2025.
A lane for exit 18B is designated half a mile before exit 19. Photo taken 10-09-2025.
The exit 18B gore sign. Photo taken 10-09-2025.
Cash is no longer accepted on the Pennsylvania Turnpike system; there is only E-ZPass or mail billing. Photo taken 10-09-2025.
Exit 19 leads to eastbound Germantown Pike. Westbound Germantown Pike can be reached from exit 20. Photo taken 10-09-2025.
Exit 19 is half a mile prior to the Turnpike toll plaza. Photo taken 10-09-2025.