Route 20 Convenience 2 Boston Post Rd E, Marlborough, MA01752 Route 20 Convenience retails snacks, beverages, packaged ice cream treats, personal care items, basic foods, firewood,…More ice and lottery tickets. Looking for a hot cup of coffee? Route 20 Convenience opens at 5am daily. An ATM and pay phone are available on-site. Beer and wine will be offered in 2011.