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The Boring Company

Columbus Loop

3 corridors. 44-mile network. Zero rail.

Columbus is the largest US city without rail transit. The last Amtrak train left decades ago. The Columbus Loop changes that, starting with one mile.

Why Tunnels?

Columbus is the largest US city with zero rail transit. The last Amtrak service departed decades ago, leaving 2.2 million people with no subway, light rail, or commuter rail. The 1-mile High Street corridor between Ohio State University and the Short North Arts District carries 112,163 daily campus residents past 45 road crossings, with no grade-separated transit option. The city's Vision Zero initiative has flagged this corridor as a priority. A tunnel solves it directly: grade-separated, weather-proof, and buildable beneath the street we already have.

#1

Largest US city with zero rail

9th

Largest in the world without rail

1977

Last Amtrak service to Columbus

0

Miles of rail transit

Top 20 US Metros: Rail Transit Status

Top 20 US metro areas by population, with population in millions and rail transit status. Columbus and Tampa are the only two without rail.
MetroPopulationRail
New York
20.1M
RAIL
Los Angeles
13.2M
RAIL
Chicago
9.5M
RAIL
Dallas-Fort Worth
7.6M
RAIL
Houston
7.1M
RAIL
Washington DC
6.4M
RAIL
Philadelphia
6.2M
RAIL
Atlanta
6.1M
RAIL
Miami
6.1M
RAIL
Phoenix
4.9M
RAIL
Boston
4.9M
RAIL
San Francisco
4.7M
RAIL
Riverside
4.6M
RAIL
Detroit
4.4M
RAIL
Seattle
4.0M
RAIL
Minneapolis
3.7M
RAIL
San Diego
3.3M
RAIL
Tampa
3.2M
NO RAIL
Denver
3.0M
RAIL
COLUMBUS
2.2M
NO RAIL

Introducing Loop

Columbus Loop is a regional network that begins with one fundable mile. First the corridor vision, then the demonstration that proves it.

The Three-Way Corridor

The campus loop is the demonstration: the proof of concept, the anchor. From this 1-mile spine, the same tunnel standard scales into three corridors radiating from a shared downtown hub. One runs to John Glenn CMH airport (12 minutes nonstop), one to the Rickenbacker inland port for all-shift logistics (14 minutes), and one to the Intel Ohio One semiconductor campus (22 minutes versus a congested 45-minute drive). A 44-mile Loop network from a single proven 1-mile beginning, complementing LinkUS bus rapid transit rather than replacing it.

Approximate Columbus geography, anchored at a shared downtown hub. Alignments are illustrative and conceptual.

Network at a Glance

Network Length
44 mi
Campus loop plus three corridors
Loop Lines
4
3 corridors, 1 campus anchor
Projected Daily Riders
33,700
System base case
Shared Hub
1
Downtown Columbus interchange
Airport Line

Downtown to CMH, nonstop

12 minutes downtown to gate, no traffic, no transfer

Distance
7 mi
Loop Time
12 min
Daily Riders
9,500
vs. Peak Drive
~25 min

A nonstop, congestion-free ride from the convention district to the terminal, every day, in any weather. Columbus is the largest US city with no rail link to its airport.

Logistics Line

Downtown to Rickenbacker

14 minutes to the inland port, all three shifts covered

Distance
12 mi
Loop Time
14 min
Daily Riders
5,200
vs. Peak Drive
~30 min

A dependable, all-shift connection between downtown labor and south-side logistics jobs, with off-peak capacity for small-parcel moves.

Silicon Heartland Line

Downtown to Intel Ohio One

Predictable 22 minutes to the Silicon Heartland versus a 45-minute peak drive

Distance
22 mi
Loop Time
22 min
Daily Riders
7,000
vs. Peak Drive
~45 min

A fast, fixed-time link from the downtown and university talent base to the Intel Ohio One semiconductor campus and its supplier ecosystem.

Corridor distances, ride times, and ridership are planning estimates for the regional vision. The 1-mile campus loop below is the fundable demonstration; each corridor scales from that same proven tunnel standard.

The First Mile

A 1-mile underground link from Ohio State University (Lane Avenue) to the Short North Arts District (Goodale Street), 40 to 60 feet beneath High Street. 12-passenger autonomous electric vehicles, a 3-minute ride, a $10.00 fare. This is the fundable first step that sets the tunnel standard for every corridor above.

One mile beneath High Street: Station A at Lane Avenue (OSU campus) to Station B at Goodale Street (Short North), 40 to 60 feet below grade.

Specifications

Length

1.0 mile

5,280 feet

Inner Diameter

12 feet

Prufrock standard

Depth

40-60 ft

Below grade

Travel Time

~3 min

Portal to portal

Fare

$10.00

Per ride

Daily Capacity

15,000+

Riders per day

Geology

Glacial till / limestone

N=25-50, Seismic Zone 0

Gameday Surge

22,000

Riders per game

The tunnel sits in ideal glacial till, safely beneath the utilities and foundations of the High Street corridor, in geology proven across decades of Midwest tunneling.

Bang for the Bore

The Columbus Loop delivers 8,500 riders per day at launch, scaling past 15,000. That is 620,500 hours saved each year, more than $42M in annual economic impact, and 45 dangerous road crossings eliminated, all at a $10.00 fare. The economics are self-sustaining: $30.8M in annual revenue against $2.8M in operating costs, a $28M surplus that holds even 30 percent below ridership projections. Utility leases on 144 fiber strands and 15 MW of power add $350K to $500K a year, funding expansion and redundancy.

720

Passengers/Hr (Normal)

1,440

Passengers/Hr (Gameday)

8,500

Daily Riders (Year 1)

$42M+

Annual Economic Impact

40

Cargo Runs/Night (Off-Peak)

144

Fiber Strands (14.4 Tbps)

15 MW

Power Conduit Capacity

620,500

Hours Saved/Year

Hourly Throughput

Passengers/hour by operating mode (bi-directional)

12-passenger autonomous shuttles, bi-directional

Freight & Logistics

Small-parcel logistics (not freight containers)

40

cargo runs/night

Off-peak window1 AM - 5 AM
VehicleShuttle with cargo pallets
RouteOSU campus <> Short North

Cargo Types

Campus mailDining suppliesRetail inventoryMedical samples (OSU Wexner)

Columbus Loop is a passenger transit system. The autonomous shuttle platform supports off-peak small-parcel logistics.

Utility Co-Location

Fiber + power infrastructure in tunnel envelope

144

fiber strands

14.4 Tbps

bandwidth

15 MW

power capacity

Fiber typeSingle-mode, DWDM
Power4x 4" conduit, 13.8 kV
Lease revenue$350K-$500K/yr

Serves

  • OSU campus data center to downtown Columbus
  • Short North business connectivity
  • Smart-city infrastructure backbone

Interactive Ridership Calculator

Adjust daily ridership to see projected impact

8,500
3,00020,000

2,975,000

Annual Riders

595,000

Hours Saved/Year

$11.0M

Time Value

$29.8M

Fare Revenue

$40.2M

Economic Impact

$13.505

Per-Rider Value

5-Year Ridership Projection

Annual Economic Impact

Mode Comparison

Travel mode comparison: Columbus Loop versus COTA bus, walking, and driving, across travel time, reliability, road crossings, gameday, and emissions.
ModeTravel TimeReliabilityCrossingsGamedayEmissions
Columbus Loop3 min99%+Zero22K surgeZero
COTA Bus15 min~75%Bus stop riskLimitedLow
Walking20 minWeather dep.45+ crossingsGridlockZero
Driving12-18 minVariableN/AGridlockHigh

Stakeholder Engagement

The Columbus Loop is backed by 14 letters of support spanning city government, ODOT District 6, Ohio State University, the Franklin County Convention Facilities Authority, the Short North Business Association, OSU Athletics, and the Columbus Partnership. A campus survey of 8,400 students ranked faster Short North access their number one transportation priority. More than 400 businesses are aligned, and the City of Columbus has committed $41.9M to the High Street corridor through LinkUS, viewing the Loop as a transformative complement to bus rapid transit. This is not speculative, it is politically ready.

“88% of surveyed students ranked faster Short North access as their #1 transportation priority.”
Source: OSU Campus Transportation Survey (n=8,400)

Ohio State University

112,163 daily campus population

Direct student safety and recruiting advantage

OSU Students (67,255)

88% survey support

Safe, fast access to dining, jobs, nightlife

Short North Business Assoc.

400+ member businesses

67K+ potential customers via 3-min ride

City of Columbus

$41.9M LinkUS investment

Vision Zero alignment, Smart City legacy

COTA Transit Authority

Tier 1 Priority Corridor

Complements LinkUS BRT system

OSU Athletics

102,780 fans per game

Gameday crowd management revolution

8,400

Survey Respondents

400+

Businesses Aligned

$41.9M

City Commitment

Feasibility

Success is physically possible. The geology is ideal, the economics are self-sustaining, and the regulatory path is clear.

Technical

  • Glacial till (N=25-50): ideal for TBM
  • Columbus Limestone bedrock at 60-80 ft
  • Water table: 15-25 ft (above tunnel)
  • Seismic Zone 0/1: negligible risk
  • Settlement: <0.25 in surface displacement
  • No river crossings, no geological surprises

Economic

  • Revenue: $30.8M/year (Year 1)
  • Operating costs: $2.8M/year
  • Net surplus: $28M/year
  • Even at 30% lower ridership: still profitable
  • LV Loop comparable: $3M/yr for 1.7 mi
  • TBC covers construction (Challenge prize)

Regulatory

  • No NEPA review required (private funding)
  • OSU land (north): state-owned
  • FCCFA land (south): public authority
  • City permit: 60-90 days
  • ODOT ROW: 45-60 days
  • ADA-compliant station design

Feasibility Scorecard

Geology: Ideal for TBM

Glacial till, N=25-50 blows/ft

Groundwater: Clear

Water table 15-25 ft, tunnel at 40-60 ft

Seismic: Zone 0

Negligible earthquake hazard

Revenue: Self-sustaining

$30.8M revenue vs $2.8M costs

Permits: 3-4 months

City, ODOT, EPA, OSU (concurrent)

NEPA: Not required

Private funding, no federal nexus

ADA: Fully compliant

Elevator access, accessible vehicles

Prufrock: Ready to bore

1 mile, flat, ideal ground conditions

Columbus is ready.

Ohio State is ready.

The Short North is ready.

Let's build.

columbusloop@gmail.com

February 23, 2026

Contact

Email
columbusloop@gmail.com