A483 and A489 Newtown Bypass

Scheme outline

Construction of a new single carriageway road to bypass Newtown to the south, in order to reduce congestion in the centre of Newtown. The new road will follow the preferred Orange Option. Construction began in March 2016, with a given completion date of Winter 2017/18.

A bypass for Newtown was first planned 40 years ago.

Spring 2016 - Winter 2017
Under construction
Bypass or realignment
for use by all traffic
Highway authority
Welsh Assembly


What's happening on this scheme? You can add a progress update if you know more. Add a progress update
5 November 2010

Plans to start preliminary design and survey work were announced on 13 October 2010. Construction is not expected to start before 2014.

9 March 2016

Some initial construction work began on 7 March 2016.

28 April 2018

Short sections at each end of the route are in use, traffic light controlled single file. The main construction line appears to be far from complete.

More information


With thanks to Andy Hellawell and Michael Pritchard for information on this page.