It is illegal to drive down any street with beer in your car, even if it is unopened.

Sec. 8-4. Possession, consumption of alcoholic beverages on town property. (a) No person shall be in possession of alcoholic beverages upon any lands owned or controlled by the town without permission of the town council, nor shall any person consume any alcoholic beverage within or upon any land so controlled or upon any street, highway,…

While it is legal to serve alcohol in a pool hall, all intoxicated persons must leave the premises.

7-69. Minors, intoxicated persons, etc. (a) No person operating a pool or billiard hall shall permit any intoxicated person to remain in the hall. (b) If alcoholic beverages are permitted on the premises, no operator of a pool or billiard hall shall permit any person under the age of 18 years to enter the hall…