BudgetGuessr project library

What the world’s biggest projects really cost

Compare published costs, timelines, project scale and original sources behind remarkable infrastructure and space missions.

Play BudgetGuessr Sources

Verified project costs

Explore the collection

1733 projects

Skyscraper · United States

$100 million

Hard Rock Hotel and Casino

1995

Graham Farmer Freeway's eastern end in Perth, Western Australia.

Road or highway · Australia

AUD 385 million

Graham Farmer Freeway

2000

Approximately $223.21 million

Southern Beltway near US 30 interchange.

Road or highway · United States

$800 million

Pennsylvania Route 576

2021

Renforth station box under construction in October 2023. Renforth will be the western terminus of Line 5 Eglinton's second phase.

Railway · Canada

CAD 4.7 billion

Eglinton Crosstown west extension

2026

Approximately $3.36 billion

Dam · Venezuela

$9.4 billion

Tocoma Dam

2019

Carretera y lineas de metro en el centro de Santiago de Chile

Railway · Chile

$365 million

Santiago Metro Line A

2026

Alignment of the La Loche Winter Trail in relation to Alberta

Road or highway · Canada

CAD 40 million

Alberta Highway 956

2025

Approximately $33.02 million

The view of York University Subway station from roof of Accolade East.

Railway · Canada

CAD 3.18 billion

Toronto–York Spadina Subway Extension

2017

Approximately $2.45 billion

Railway · Japan

¥3 billion

Toyookadaruma Station

2027

Approximately $20.05 million

President's aircraft first landing at Nusantara airport

Airport · Indonesia

IDR 4222 billion

Nusantara International Airport

2025

Approximately $256.22 million

Railway · Finland

€2.919 billion

Arctic Railway

2019

Approximately $3.3 billion

Bunbury Outer Ring Road (the small portion thus far built) looking east near Picton-Boyanup Road, City of Bunbury, Western Australia.

Road or highway · Australia

AUD 1.46 billion

Wilman Wadandi Highway

2024

Approximately $963.47 million

On Thursday, December 26, 2019, the Minister of Road Transport and Bridges, Obaidul Quader, inaugurated the construction work of the Dhaka Bypass Road Expressway Upgradation Project in Rupganj, Narayanganj. The English description and title of this file were generated using a large language model (Google Gemini - gemini-3.1-flash-lite) from the original Bengali description provided by the Press Information Department. Show prompts used: Translation prompt: Translate the following Bengali text in

Road or highway · Bangladesh

BDT 32.62 billion

Dhaka Bypass Expressway

2021

Approximately $383.39 million

Dam · Pakistan

PKR 1049 billion

Diamer-Bhasha Dam

2024

Approximately $3.77 billion

The sun sets over the westbound Ohio Turnpike.

Road or highway · United States

$326 million

Ohio Turnpike

1955

20150827 61 NFTA Light Rail @ Fountain Plaza

Railway · United States

$530 million

Buffalo Metro Rail

1986

New Orleans, LA, October 9, 2005 - Amtrak began service out of New Orleans today, October 9, for the first time since Hurricane Katrina destroyed the rail lines. Amtrak is proud to restore operations to and from Union Passenger Terminal to both serve passengers and to help the city rebuild. Robert Kaufmann/FEMA

Railway · United States

$260 million

New Orleans–Baton Rouge passenger rail

2014

Ain Sokhna Railway Station, part of the First Line of Egypt's High-Speed Electric Rail Network

Railway · Egypt

€8.1 billion

Egypt's High-speed rail

2022

Approximately $8.53 billion

Project decisional and approbation state and work progress for the new Turin–Lyon train line.

Railway · France

€11.1 billion

Turin–Lyon high-speed railway

2033

Approximately $14.26 billion

Traffic turning right from the Dingley Bypass onto the Mornington Peninsula Freeway (aka Mordialloc Freeway)

Road or highway · Australia

AUD 156 million

Dingley Bypass

2016

Approximately $115.97 million

Train tunnel Västlänken in Gothenburg, Sweden, under construction. Preparing a service tunnel at Södra vägen in May 2019.

Tunnel · Sweden

SEK 49.3 billion

Västlänken

2030

Approximately $5.02 billion

The terminal was pictured while the Vineyard Wind 1 offshore wind farm was undergoing completion, so pieces of turbines are visible. The vessel UHL FAME operated by United Heavy Lift is pictured in the foreground. Photo taken from a ship.

Energy · United States

$4.5 billion

Vineyard Wind 1

2026

In 2020, installation was completed on the first wind turbines installed in U.S. Federal waters. The offshore wind project has been fully operational since Fall 2020. The Coastal Virginia Offshore Wind pilot project is designed to demonstrate a grid-connected, 12-megawatt (MW) offshore wind test facility on the Outer Continental Shelf (OCS) about 27 miles off the coast of Virginia Beach. The data obtained and lessons learned from this project will be made publicly available and inform the future

Energy · United States

$11.7 billion

Coastal Virginia Offshore Wind

2026

LAX Automated People Mover guideway and ITF–West station under construction

Airport · United States

$3.3 billion

LAX Automated People Mover

2026