For twenty years direct connection to the Birmingham Canal Navigations ( BCN ) was prevented by the Worcester Bar Birmingham designed so that the BCN would not lose water to the Worcester and Birmingham .
The Worcester Bar is a physical barrier at Gas Street Basin .
For twenty years direct connection to the Birmingham Canal Navigations ( BCN ) was prevented by the Worcester Bar , a physical barrier at Gas Street Basin , Birmingham designed so that the BCN would not lose water to the Worcester and Birmingham .