Road or highway · Canada
$12.216 million
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.
Verified project costs
Explore the collection
1733 projects
Road or highway · Australia
AUD 185 million
West Gate Freeway
1988Approximately $144.54 million
Railway · United States
$2.67 billion
Wilshire/Rodeo station
2027Railway · United Kingdom
£6.6 billion
East West Rail Link
2023Approximately $8.2 billion
Road or highway · Australia
AUD 191 million
Brighton Bypass
2012Approximately $197.76 million
Railway · Turkey
€652 million
İzmir Metro M2 (Buca Metro)
2021Approximately $771.15 million
Dam · United States
$9.598 billion
Auburn Dam
1968Road or highway · People's Republic of China
CNY 6.372 billion
Baoshan–Tengchong Expressway
2016Approximately $899.49 million
Road or highway · United Kingdom
£5 million
A515 Skeoge Link
2008Approximately $9.2 million
Road or highway · United States
$114.6191 million
Bayshore Freeway
1962Road or highway · United States
$5.75 million
Arroyo Seco Parkway
1940Road or highway · United States
$58 million
M-5
2002Road or highway · United States
$650 million
M-6
2004Road or highway · Canada
CAD 299 million
Inuvik-Tuktoyaktuk Highway
2017Approximately $230.37 million
Airport · Vietnam
VND 336630 billion
Long Thanh International Airport
2025Approximately $13.93 billion
Road or highway · Canada
CAD 76 million
Allen Road
1982Approximately $70.58 million
Bridge · Chile
$1 billion
Chacao Channel bridge
2026Bridge · Italy
€13.532 billion
strait of Messina Bridge
2025Approximately $15.29 billion
Railway · France
€433 million
Tours tramway
2013Approximately $575.08 million
Road or highway · United Kingdom
£41.4 million
A40 Penblewin to Slebech Park improvement
2011Approximately $66.33 million
Railway · Canada
CAD 818 million
Ion rapid transit
2014Approximately $740.44 million
Railway · France
€3.5 billion
Paris Métro Line 18
2020Approximately $4.5 billion
Energy · People's Republic of China
CNY 120 billion
Gansu Wind Farm
2020Approximately $17.39 billion
Port · People's Republic of China
CNY 3.8 billion
Xinhai Port
2015Approximately $610.2 million