Earlier this morning, two work trains "collided east of Willets Point-Shea Stadium," according to WABC 7. The 7 line was suspended and shuttle buses or the Q48 were recommended alternative routes, but the 7 is now running local (no Manhattan-bound express). And no crew members or passengers were reportedly hurt in the incident. As subway enthusiasts know, the Corona Yard, where 7 trains and work trains are parked, is nearby.......