Five out of the ten worst metropolitan areas ranked for road conditions are in CA. This is from 2005:
"The ten urban regions with at least 500,000 people, which includes the city and its surrounding suburbs, with the greatest share of major roads and highways with pavements that are in substandard condition and provide a
rough ride are: Kansas City – 71%, San Jose – 67%, St. Louis – 66%, Los Angeles – 64%, San Francisco-Oakland – 60%, San Diego – 58%, New Orleans – 55%, Boston – 49%, Sacramento – 49% and Oklahoma City –47%."
http://www.tripnet.org/RoughRoadsReport052605.pdf
Do remember, about 50% of Massachusetts land area falls in what is described as "Metropolitan Boston".