FREDERICKSBURG – Construction work began this week to add nearly 1,000 new commuter parking spaces to the Staffordboro Boulevard Park & Ride lot, which will double the capacity of this commuter facility in the Route 610 (Garrisonville Road) corridor. Construction of the $12.9 million improvement project is scheduled to take 16 months, and will open to users in October 2014. “We need these additional spaces – we needed them years ago – and I am pleased that we can now…