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GIS Tunnel Alignment

Interactive map showing the proposed 1-mile tunnel route, facility footprints, state boundary crossing, and surrounding infrastructure. Hover facilities for details. Toggle layers to customize the view.

TENNESSEEMISSISSIPPIStateline RoadTulane RoadStanton RoadRailroad (Active)Colossus 25400 Tulane RdWhitehaven, Memphis TN350,000 GPUsASTARTColossus 2 South2400 Stateline RdSouthaven, MSGB300 Processors | $20B InvestmentBENDPower PlantSouthaven CC780 MWColossus 13231 Riverport RdMemphis, TN200,000 H100 GPUs, 150 MW~12 mi NWState Line Crossing~35.0042° N~1 Mile(5,280 ft)Tunnel Corridor Buffer35.0345°N, -90.0235°W34.9955°N, -90.0180°WN~0.5 mileCOLOSSUS UTILIDOR — TUNNEL ALIGNMENTInteractive GIS Map | David T Phung | Feb 2026David T Phung

Map Legend

Proposed Tunnel
Colossus 1
Colossus 2 (Tunnel Start)
Colossus 2 South (Tunnel End)
TN/MS State Boundary
Power Plant (780 MW)
Power Flow
Fiber
Cooling

Facility Details

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Utilidor Cross-Section

Interactive cross-section of the 12-ft diameter tunnel. Click or hover zones to view detailed specifications for power distribution, fiber optic, chilled water, and vehicle transport systems.

Ground SurfaceDepth: 30-50 ft480VFiber13.8kVPOWER & FIBERCW-S24"CW-R18"Chilled WaterEV Track (4 ft)WalkV12 ft IDPrecast Segment Lining (15" thick)

Tunnel Zones

$140M+ annual savings

Click zones to view specifications

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Tunnel Alignment Map

Satellite view of the proposed 1-mile tunnel route from Colossus 2 (Memphis, TN) to Colossus 2 South (Southaven, MS). Use the layers control to toggle overlays.

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Geological Cross-Section

Subsurface conditions along the tunnel alignment. Hover over layers for details. The target boring zone (30-50 ft) sits in favorable alluvial clay.

Geological Cross-SectionGround Surface0 ftFill / Topsoil0-10 ft10 ftLoess (Wind-blown Silt)10-25 ft25 ftAlluvial Clay25-60 ft60 ft100 ftSand & Gravel60-100 ftBORING ZONE (30-50 ft)