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Quit studying the 710 Freeway extension and start building

Quit studying the 710 Freeway extension and start building

The resolve to complete the 710 Freeway — closing its 6.2-mile gap between Interstate 10 and the 210 Freeway in Pasadena — dates to 1959.

Had it been completed then, the extension would have cost $6 million. The estimated price now is $5.6 billion. What could account for such a staggering cost increase? Inflation accounts for less than a tenfold increase in construction costs. Nor has the proposal to build a tunnel rather than a surface link added substantially to the bottom line, because the cost of condemning urban real estate and the cost of digging just about cancel each other out.

Instead, the nearly thousand-fold increase in...

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