XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Trading basics

Electronic Road Pricing

The Electronic Road Pricing (ERP) system is an electronic toll collection scheme adopted in Singapore to manage traffic by way of road pricing, and as a usage-based taxation mechanism to complement the purchase-based Certificate of Entitlement system. As of September 2026, only 33 ERP gantries are in operation, the currently operating and surviving gantries will be rebranded as "road cha

Trading basics

Electronic road pricing (Hong Kong)

Electronic road pricing (ERP, Chinese: 電子道路收費系統) is an electronic toll collection scheme first proposed in Hong Kong as early as in the 1980s to manage traffic by congestion pricing. (Singapore, which first adopted ERP in 1998, was the first city in the world to implement electronic congestion pricing.)

Trading basics

Gothenburg congestion tax

The Gothenburg congestion tax (Swedish: Trängselskatt i Göteborg), also referred to as the Gothenburg congestion charge, is a congestion pricing system implemented as a tax levied on most vehicles entering and exiting central Gothenburg, Sweden, as well as some main roads passing by the city. The congestion tax was introduced on 1 January 2013, with the Stockholm congestion tax as a mode

Trading basics

London congestion charge

The London congestion charge is a fee charged on most cars and motor vehicles being driven within the Congestion Charge Zone (CCZ) in Central London between 7:00 am and 6:00 pm Monday to Friday, and between 12:00 noon and 6:00 pm Saturday and Sunday. Enforcement is primarily based on automatic number-plate recognition (ANPR).

Trading basics

Smeed Report

The Smeed Report (titled Road Pricing: The Economic and Technical Possibilities) was a study into alternative methods of charging for road use, commissioned by the UK government between 1962 and 1964 led by R. J. Smeed. The report stopped short of an unqualified recommendation for road pricing but supported congestion pricing for busy road networks.

Trading basics

Stockholm congestion tax

The Stockholm congestion tax (Swedish: Trängselskatt i Stockholm), also referred to as the Stockholm congestion charge, is a congestion pricing system implemented as a tax levied on most vehicles entering and exiting central Stockholm, Sweden. The congestion tax was implemented on a permanent basis on 1 August 2007, after a seven-month trial period between 3 January 2006 and 31 July 200