I will be traveling from the Baltimore area (Glen Burnie) to Pittsburgh. I know the standard route is I-70 to I-76 to I-376 but I've been advised to avoid the turnpike so I'm thinking about going I-70 to I-68 to US-40 to PA-51. Will that take alot longer? Is PA-51 an expressway?|||Whoever told you to avoid the Turnpike is probably cheap. I would think that you probably add at least another 30 to 45 minutes. No, PA 51 is not an expressway. Neither is US 40 once you get off I-68. PA 51 goes through a lot of little towns (35 MPH speed limit) and has a part under construction.

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