So it's 5 to 2 in favor of the PA Turnpike. Either way, the real slow part will be between H'burg and Gettysburg. 30 around Gettysburg is usually very congested, if memory serves. Last time I was there was 1984. Here's a thought - if you're headed back home after, split the difference - TP there, and 30 home. And then report back here on experiences and warnings. :)