Aiea7, previously known by another blogger name won't reveal his true name but makes wildly false pro-rail claims that cannot be substantiated- should try actually using HART public information numbers
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When you see pro-rail bloggers lying about the lawsuits costing "billions" - as even some Councilmembers are saying - HART's own documents show the final lawsuits cost was $190 Million after throwing in every conceivable project bungled mismanagement and construction cost.
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See Slide 10 from HART Presentation December 18, 2014:  
https://www.slideshare.net/civilbeat/hart-presentation
Total legal delay costs are $45.9 Million
"Other" delay costs are listed as $77 Million
Total Impact $190 Million 
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The FACT that HART refuses to do a Forensic Audit is most likely because these final numbers would be EXPOSED as way overblown.

There is a video interview with Grabauskas where he says that the various contractors caused by far the biggest rail delays and costs, well over any lawsuits.