有人问，广州的CBD为什么必须是天河？ 这首先是由地理位置决定的，打开广州地图，天河正好位于全市的地理中心——从天河出发，到东南西北四个方向，都是最便利的。如果你想做全广州的 生意，在天河办公，就是最方便的。 所以，天河能当CBD，绝对不止是运气，更重要的是城市发展内在逻辑的必然选择。 处在这样的地理位置，天河的一举一动，都会影响到全市，尤其是路网的通畅度，不仅关系到天河区自己，更关系到全市的运行。 今年以来，天河在全力拼经济的同时，还悄悄打了一场"看不见的硬仗"，那就是交通路网的优化升级。 年初，天河就立了一个flag，聚力攻坚"百千万工程"，新建打通"六横七纵"主动脉，破解区域发展不平衡的问题。 01. 为什么要打通"六横七纵"？ 在很多广州人的印象里，体育东路、体育西路、天河路、黄埔大道、广园快速路、科韵路等耳熟能详的道路，已经构建出天河区内四通八达的交通路网。 然而，这个全市交通最为四通八达的地方，为何仍要谋划"六横七纵"交通主动脉？ 不管是看地理位置，还是看功能布局，天河都在广州的心脏区域啊。 02. "六横七纵"开始交作业了 到年底了，"六横七纵"的建设，已经交出了一份阶段性作业。 天河说修路，真 ...

Core Insights - Elon Musk's Boring Company is collaborating with the Federal Railroad Administration to assist in the construction of a multi-billion dollar railway tunnel in Maryland [2][4] - The project aims to replace the aging tunnel system connecting Baltimore, Washington, and Virginia, with costs escalating from an initial estimate of $6 billion to over $8 billion [2] - The Boring Company claims it can provide more economical and efficient tunneling methods, although it remains unclear if they will secure the contract [2][4] Project Details - The Frederick Douglass Tunnel project has been in preparation since 2014, with the Federal Railroad Administration and Maryland Department of Transportation initially announcing their intent [2] - Amtrak selected Kiewit and JF Shea as the construction companies for the tunnel last year [2] - A transportation department representative stated that no decisions have been made regarding bidding, and Amtrak will coordinate with the department to follow standard procedures [4] Company Background - The Boring Company was founded in 2016, aiming to create transportation solutions to alleviate traffic congestion [4] - The company has announced several projects over the years, many of which have not materialized [4] - Currently, the Boring Company is constructing a new tunnel system in Las Vegas, referred to as the "Las Vegas Loop," and has plans for a 10-mile tunnel in Dubai [4]