May 29, 2015 | 5:00 AM
One of the three freeway-topping designs from engineering students at STEM Academy of Hollywood. (Lawrence K. Ho / Los Angeles Times)
The STEM Academy of Hollywood is perched above eight lanes of traffic on the 101 Freeway. Its classroom windows offer the high school engineers a bird's-eye view of some of Los Angeles' most enduring woes.
Too many cars. Too much cement. A freeway system that slices through neighborhoods, leaving them uninviting to crisscross on foot.
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It's an ideal vantage point from which to dream about how to right some of those wrongs…