This document establishes the specific legal amendments governing the operation and tolling mechanisms of the Dartford-Thurrock Crossing. The text originates from the legislative authority of the United Kingdom government, providing the formal regulatory framework required to manage traffic flow and financial collection at this critical infrastructure site. It serves as a primary source for understanding the administrative adjustments made to the crossing's operational statutes during the 1990 period.

Legal professionals and researchers utilize this document as a foundational reference for the regulatory history of UK transport infrastructure. The text is highly technical and intended for use within legislative or administrative contexts.