Interstate 676 by PolinskyL

I-676 passes through 3 cities. Philadelphia is one. Name either of the other two.

Just before its western end, I-676 crosses what river?

I-676 is an auxiliary route of I-76, which originally was assigned a different number. What interstate designation did I-76 have during the early 1960s?

The part of I-676 which goes through Philadelphia is known by what (some might say aspirational, especially during rush hour) three-word name?

The answer to #4 largely goes in a straight line, except for a couple-block swerve to avoid the former North East Publick Square, known since 1825 as what?

The second-to-last exit going westbound provides access to what scenic boulevard, designed in 1917 to emulate the Champs Elysee?

Unlike many so-called interstates* many times its length, I-676 connects two states. To cross over from PA to NJ, one must take what bridge?
(*I know, I know, that's not what it means.)

The answer to #7, along with the Delaware Memorial Bridge, most other nearby Delaware River bridges, the George Washington Bridge, and the Lincoln and Holland Tunnels (and several other crossings) is toll one way. What principle describes which way on all of the above crossings is tolled?

For most of its length, I-676 is concurrent with what US highway, which links Astoria, OR with Atlantic City, NJ?

I-676 shares [the answer to #7] with what rapid transit system?

Immediately after crossing [the answer to #7], I-676 passes just north of a riverfront baseball stadium which, until last year, was home to an independent-league baseball team. Name either the stadium (which is named after a locally based multinational company) or the team, which has since decamped for New Britain, CT.

In 2005, Will Smith (who was, as you may be aware, born and raised in Philadelphia) and Bon Jovi (who are so Jersey they once released an album called New Jersey) both appeared at what event, which was held at the answer to #6?