PA 23 appears on Exit 16A signage for the Matsonford Road off-ramp to Front Street. 05/07/05
A loop ramp (Exit 16B) leads motorists onto I-76 west to Valley Forge and the PA Turnpike. 05/07/05
Reassurance marker posted ahead of the I-476 bridge across the Schuylkill River. 05/07/05
I-476 wraps around the north side of Conshohocken through to ramps with Ridge Pike and Chemical Road. 05/07/05
A pair of ground level signs advised motorists of the upcoming exchange with Interstate 276 and the PA Turnpike Northeast Extension. 05/07/05
One half mile ahead of Exit 18A for Ridge Pike on I-476 north. 05/07/05
Exits 18A and 18B serve retail and industrial park areas sandwiched between I-476 and the nearby PA Turnpike (I-276). 05/07/05
Exit 18B is signed for Norristown for local connections north from Chemical Road. 05/07/05
A series of shields direct motorists headed for I-276 west to Exit 20. 05/07/05
Exit 19 connects I-476 north with Chemical Road east ahead of Germantown Pike (old U.S. 422). 05/07/05
09/01/05
There is no direct access from I-476 north to the PA Turnpike westbound. 05/07/05
05/07/05
Entering the main line toll plaza for the PA Turnpike Northeast Extension prior to the addition of open road tolling. 05/07/05
05/07/05
A diagrammatic sign replaced these overheads for the upcoming ramp split for I-276 east. 05/07/05
Exit 20 separates with ramps for Germantown Pike and Plymouth Road beyond the main line toll plaza. 05/07/05
05/07/05
Interstate 476 north partitions with the two-lane off-ramp for I-276 (PA Turnpike) east. 05/07/05
Two lanes continue north from the Mid-County Expressway onto the PA Turnpike Northeast Extension. 05/07/05