Detroit-Windsor Tunnel

What Detroit-Windsor Tunnel does

Detroit Windsor Tunnel LLC operates the Detroit-Windsor Tunnel, a 5,135-foot immersed-tube vehicular tunnel beneath the Detroit River that has served as an international border crossing between Detroit, Michigan and Windsor, Ontario since 1930. It is the only underwater international passenger vehicle border crossing in the world and handles approximately 12,000 vehicles daily, totaling over 4 million vehicles annually, with 98% passenger vehicles and the remainder commercial trucks. The tunnel is owned by American Roads Company and operated as a cross-border joint venture, with Windsor-Detroit Borderlink (WDBL) managing the Canadian side and Detroit Windsor Tunnel LLC managing the U.S. side under coordination with U.S. Customs and Border Protection (CBP) and Canada Border Services Agency (CBSA).

The core infrastructure consists of 11 massive steel tube sections originally constructed in dry dock, sealed, and lowered into a dredged riverbed trench. Supporting systems include a modern ventilation network capable of supplying up to 1.5 million cubic feet of fresh air per minute, a Cooper LED lighting system engineered for continuous 24/7/365 operation (upgraded in 2011), and real-time traffic monitoring with live border cameras. Energy is sourced 100% from DTE Energy's MIGreenPower renewable program. The company has invested roughly $105 million in cumulative renovations since 1993, including road surface upgrades, ventilation modernization, and a $30 million ceiling renovation completed in 2020.

Revenue is generated entirely through toll collection on a transaction-fee basis. The company operates three payment channels: (1) cashless toll booths accepting major credit/debit cards with EMV, (2) the proprietary Nexpress® pre-paid transponder program with window-sticker RFID devices and dedicated lanes offering discounted rates, and (3) the DWT Mobile App for Apple and Android, which sells discounted round-trip crossings via barcode scanning. Toll rates are differentiated by direction (USD on Detroit side, CAD on Windsor side), vehicle class, and payment channel, ranging from $4.70 USD for Nexpress® passenger cars (Windsor to Detroit) to $62.35 CAD for 10+ axle commercial trucks. Customer segments span daily cross-border commuters, tourists, commercial freight operators supporting the automotive supply chain, healthcare workers, and event traffic for the Detroit Grand Prix and Detroit Free Press Marathon.

Name

Detroit-Windsor Tunnel

Legal name

Detroit Windsor Tunnel LLC

Website

https://dwtunnel.com

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

51–100 employees

Short description

The Detroit Windsor Tunnel LLC operates a 5,135-foot immersed-tube tunnel beneath the Detroit River, providing the only underwater international passenger vehicle border crossing between the United States and Canada, serving over 4 million vehicles annually across commuters, tourists, and commercial freight operators.

Ownership category

akta.pro rank

Product category

Border Crossing Infrastructure

NAICS

Other Transit and Ground Passenger Transportation (48599)

SIC

Local & Suburban Transit & Interurban Hwy Passenger Trans (4100)

akta.pro primary industry

Tunnel Construction (Road, Rail, Utility) (IMAFAEAC)

Keywords

• International border crossing
• Toll collection services
• Cashless tolling
• Prepaid toll program
• Vehicular tunnel infrastructure

Headquarters

HQ city

Detroit

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Technology or R&D, Others

Revenue model

1. Toll Collection - Passenger Vehicles: Transaction fees collected from passenger vehicles crossing the tunnel. Rates vary by direction of travel (Detroit to Windsor vs Windsor to Detroit) and vehicle type. Passenger vehicles pay $9.00 USD (Detroit to Windsor) or $8.25 USD (Windsor to Detroit) for standard cashless payment.
2. Toll Collection - Commercial Vehicles: Transaction fees from commercial vehicles including Extra Load (XL) vehicles 8ft or taller. Rates range from $10.00-$44.00 USD depending on axle count for Detroit to Windsor direction.
3. Nexpress® Pre-Paid Program: Proprietary transponder-based toll program offering discounted rates to registered account holders. Revenue from pre-paid toll balances that are consumed as vehicles cross.
4. DWT Mobile App Purchases: Pre-purchased border crossing trips through mobile application with discounted rates. Round-trip purchases available.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels6 records

Core offering

Detroit-Windsor Tunnel operates the only underwater international passenger vehicle border crossing in the world, connecting Detroit, Michigan and Windsor, Ontario beneath the Detroit River. The 5,135-foot immersed tube tunnel provides 24/7, 365-day passage for approximately 12,000 vehicles daily (over 4 million annually), with tolls collected via cashless booths, the Nexpress® pre-paid transponder program, and the DWT Mobile App.

Product overview

The Detroit Windsor Tunnel operates as a single core infrastructure product — an underwater international border crossing connecting Detroit, Michigan and Windsor, Ontario beneath the Detroit River. The tunnel serves as the only existing underwater international passenger vehicle border crossing in the world, operating 24 hours a day, 365 days a year. Supporting the core crossing service, the company offers several complementary products: the Nexpress® pre-paid toll program featuring transponder-based automatic toll deduction for expedited crossings with discounted rates; the DWT Mobile App for Apple and Android enabling mobile-based pre-purchase of trips with barcode scanning; a modern cashless payment system accepting major credit/debit cards; and real-time traffic monitoring via live border cameras. Together, these products provide travelers with a comprehensive, efficient border crossing experience with multiple payment options and convenience features.

Differentiator

Problem solved

Functional benefit

Brands

• Nexpress®: Prepaid toll program offering reduced toll rates and faster border crossing with automatic toll deduction from pre-paid accounts.
• DWT Mobile App

Products and services

• Detroit-Windsor Tunnel Border Crossing The core service: an underwater international border crossing connecting Detroit, Michigan and Windsor, Ontario beneath the Detroit River. The 5,135-foot tunnel operates 24/7, 365 days a year, serving approximately 12,000 vehicles daily (over 4 million annually) with 98% passenger vehicles, providing the only underwater international passenger vehicle border crossing in the world.
• Nexpress® Pre-Paid Toll Program

Quantifiable outcome

• $595 million annual economic impact for Michigan with $363.3 million directly benefiting Detroit's economy
• +3 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Windsor-Detroit Borderlink (WDBL)coreStrategic or Co-development PartnerCanadian counterpart organization managing Windsor operations for the tunnel. Day-to-day coordination ensures the tunnel remains safe and reliable. Every day, the international tunnel serves as a shared space between two cities and two countries that have learned how to work together over time. Cooperation has been in place for many years and continues to be essential to how the tunnel functions.
• DTE Energy (MIGreenPower)coreTechnology or IntegrationEnergy provider supplying 100% of tunnel energy through MIGreenPower renewable energy program. Tunnel participates with DTE for clean energy sourcing, demonstrating commitment to sustainability and environmental responsibility.
• Alternatives for Girls (AFG)minorStrategic or Co-development PartnerDetroit-area nonprofit supporting girls and young women at risk of or experiencing human trafficking, homelessness, violence, and exploitation. DWT supports awareness and education efforts and trains staff to identify suspicious behaviors. Partnership addresses community needs in the Detroit region.
• DAPCEP (Detroit Area Pre-College Engineering Program)minorStrategic or Co-development PartnerEngineering education program that the tunnel supports through student visits. DWT shares engineering marvel with future engineers through educational tours and learning opportunities.
• Visit DetroitminorGTM or Marketing PartnerRegional tourism organization collaborating on marketing and promoting Detroit as a destination. Partnership supports cross-border tourism and economic development.
• Detroit Free Press MarathonminorGTM or Marketing PartnerMajor annual sporting event that relies on tunnel for cross-border access. Runners return from Canada via Ambassador Bridge through the Detroit-Windsor Tunnel. Partnership supports event logistics and promotes the tunnel as part of the unique marathon experience.
• The City InstituteminorStrategic or Co-development PartnerLocal community partner organization collaborating with DWT on community engagement initiatives and neighborhood development.
• U.S. Customs and Border Protection (CBP)coreOthersFederal agency responsible for U.S. border security and customs processing at the tunnel. Processes travelers through inspection facilities. Standard processing time: 2-5 minutes per vehicle. Contact: 313.393.3973 ext. 327.
• Canada Border Services Agency (CBSA)coreOthersCanadian federal agency responsible for border security and customs processing. Processes travelers entering Canada. Contact: 800.461.9999. Responsible for Canada's border crossing requirements including NEXUS, SENTRI recognition, and prohibited goods regulations.

Scale indicators8 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Ambassador Bridge: Privately owned by the Moroun family's Detroit International Bridge Company, the Ambassador Bridge is the other vehicle crossing between Detroit and Windsor. It directly competes for the same passenger and commercial traffic and accepts hazmat and oversized vehicles that the tunnel prohibits.
• Chesapeake Bay Bridge-Tunnel (CBBT): A 17.6-mile combination of bridges and two immersed-tube tunnels connecting Virginia's Eastern Shore to the mainland. Closest direct structural peer, with an identical engineering approach (immersed tube) and a similar toll-based revenue model for vehicular crossings.

Regional players

• Blue Water Bridge: Operated jointly by MDOT and the Ministry of Transportation of Ontario, the Blue Water Bridge connects Port Huron, Michigan to Point Edward, Ontario. It is another US–Canada vehicle border crossing in the same state, with a comparable toll-based revenue model.
• Peace Bridge: The Peace Bridge Authority operates the US–Canada crossing between Buffalo, NY and Fort Erie, Ontario. It is a comparable international toll bridge operation in the same bi-national Great Lakes corridor with similar passenger and commercial traffic profiles.
• Niagara Falls Bridge Commission: Operates the Rainbow Bridge, Whirlpool Rapids Bridge, and Lewiston-Queenston Bridge between Niagara Falls, NY and Niagara Falls, Ontario. Another US–Canada vehicle border crossing operator with toll-based revenue and similar customs partnership model.

Broad incumbents

• Port Authority of New York and New Jersey: Operates the Holland Tunnel, Lincoln Tunnel, George Washington Bridge, and Bayonne Bridge — comparable tolled vehicular infrastructure assets. As a large multi-asset toll authority, it represents how a portfolio of similar crossings is operated and capitalized at scale.
• Mackinac Bridge Authority: Operates the iconic 5-mile Mackinac Bridge connecting Michigan's two peninsulas. A publicly operated toll bridge with similar asset characteristics: a single critical piece of infrastructure, 24/7 operation, and toll-based revenue with a strong regional economic mandate.
• 407 ETR: A privately operated, fully electronic toll highway in the Greater Toronto Area owned by Cintra and CPP Investments. Comparable in its cashless, transponder/app-driven toll model and bi-national capital structure relevant to private infrastructure investors.
• Illinois Tollway: Operates a 294-mile system of toll roads in northern Illinois with I-PASS transponder electronic tolling. A broader incumbent peer demonstrating how regional toll infrastructure is operated and modernized with electronic payment systems comparable to Nexpress®.
• Delaware River Port Authority: Operates four toll bridges between Pennsylvania and New Jersey, including the Benjamin Franklin Bridge. A bi-state toll infrastructure operator with a similar institutional model (joint bi-jurisdictional authority) and toll-based revenue structure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/follow
• Facebookfacebook.com/dwtunnel
• LinkedInlinkedin.com/company/detroit-windsor-tunnel-llc
• Instagraminstagram.com/detroit_windsor_tunnel

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Detroit-Windsor Tunnel