
Mini Metro makes mass transportation sublime
I don’t remember much from Jeen-Shang Lin’s Soil Mechanics class. Beyond a vague inkling of his whiteboard doodles and that time he paused mid-lecture to remark on my unexpected presence, most of it remains a formula-laden blur. Except for the one time he mentioned Pittsburgh’s North Shore Connector project. I can still recall his perplexed laugh. “Pittsburgh has some beautiful bridges,” or something like that, he said. “The people know how to build them, how to fix them … so why the hell did they decide to dig a tunnel underneath the Alleghany?” A shrug. More laughter. Then back to…