# The A4 Trunk Road (Colnbrook By-Pass, Hillingdon) (50 mph Speed Limit) Order 1998, Article 2


No person shall drive any motor vehicle at a speed exceeding 50 miles per hour on that length of the A4 Trunk Road known as Colnbrook By-Pass between a point 5 metres east of the eastern end of the southern parapet of the bridge over the Wraysbury River and a point 400 metres west of the westernmost abutment of the bridge over the River Colne, a distance of approximately 360 metres.

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Source: https://www.legislation.gov.uk/uksi/1998/385/article/2 (the official version)
Page: https://openlegislation.uk/a4-trunk-road-colnbrook-by-pass-hillingdon-50-mph-speed-limit-order-1998/article-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.