Assertion: beltway | /r/CapableOf | cost about $500 million
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text: A simpler Beltway widening to 4 lanes each way (one new lane each way), and no interchange expansions at VA-241, US-1, I-295 and MD-210, would probably suffice (costing about $500 million) if -either- I-95 was completed through D.C. -or- even just the eastern half of the Outer Beltway was complete.