LSC Strengthens AI Infrastructure with New Long-Haul Route
Light Source Communications (LSC) is accelerating AI infrastructure with a new 500-mile dark fiber route connecting St. Louis and Tulsa. As demand for Artificial Intelligence (AI), Machine Learning (ML), and High-Performance Computing (HPC) grows, enterprises need faster and more resilient connectivity. Therefore, LSC designed this corridor to support hyperscalers, neocloud providers, and data-intensive enterprises.
The route features eight in-line amplifiers (ILAs), which actively maintain signal strength across long distances. In addition, the network connects directly to LSC’s existing 130-mile metro dark fiber ring in Tulsa. LSC expects to complete construction by the third quarter of 2027 and plans to add more Points-of-Presence (PoPs) along the corridor.
High-Capacity Dark Fiber Built for AI and HPC
Today, AI infrastructure must handle massive data flows and real-time processing. As a result, regional long-haul dark fiber routes have become essential for GPU-dense clusters and advanced computing environments.
LSC designs and operates underground fiber networks to remove three major AI-era bottlenecks:
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First, it delivers massive capacity for GPU-intensive clusters.
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Second, it reduces latency for real-time AI and ML processing.
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Third, it increases route diversity to strengthen resilience and uptime.
Because every mile of fiber runs underground, partners gain stronger physical security and long-term reliability. Consequently, hyperscale and enterprise customers can scale demanding workloads with greater confidence.
Expanding AI Infrastructure Across Key U.S. Markets
Beyond the St. Louis–Tulsa corridor, LSC continues to expand AI infrastructure nationwide. For example, the company recently launched a 240-mile dark fiber network in Indianapolis. That build includes five high-capacity rings spanning nearly 20 municipalities and provides direct access to major data centers.
Meanwhile, LSC is actively developing additional routes in:
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Las Vegas, where it is constructing a 60-mile critical corridor
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Phoenix, where it is building a 335+ mile metro dark fiber ring
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Kansas City, where it recently completed a 35-mile ring
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Tulsa, where it is adding 80 miles to its existing 50-mile network
Importantly, LSC anchors each project with a hyperscale tenant and builds every route fully underground. As AI adoption accelerates, the company continues to position the Central U.S. as a strategic AI infrastructure hub. Ultimately, this 500-mile expansion enables enterprises to move data faster, scale advanced workloads, and compete at global speed.
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