Big Dig pavement crumbles early; repairs to cost $1m 
Sections of the Central Artery that were supposed to last 30 years are failing in less than a decade, causing a rash of potholes and debris.

Big Dig pavement crumbles early; repairs to cost $1m

Sections of the Central Artery that were supposed to last 30 years are failing in less than a decade, causing a rash of potholes and debris.