ASL Safety and Security is providing IP-rnnetworked public address systems for installation at more than 50 stations on London Overground Rail Operations Limited's network.rnThe Gold Line Eastside Extension in Los Angeles, a major Balfour Beatty Rail,rnInc.. project, marked the beginning of service November 15. Balfour Beatty Rail started work in 2004 on the Eastside Extension in a joint venture with electrical contractor Steiny and Co.
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机译：ASL安全和安保部门正在提供IP网络联网的公共广播系统，以便在伦敦地面铁路运营有限公司的网络上的50多个站点进行安装。洛杉矶金线东边扩展项目是巴尔福Beatty Rail，rnInc ..的一个重要项目，标志着开始贝尔福比蒂铁路于11月15日投入服务。贝尔福比蒂铁路（Balfour Beatty Rail）与电气承包商Steiny and Co.于2004年合资成立了Eastside Extension。
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