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The section from the A66 to Barnard Castle is primary status; from that point it turns right and it loses its primary status to the A688 road. It then travels east through Gainford and crosses the A1(M) but does not have a junction with it. The road regains primary status as it goes concurrent with the A66 road from the Blackwell roundabout and heads along the southern edge of Darlington.
As the A66 heads north, the A67 leaves at Morton Park to head east past Dinsdale and Durham Tees Valley Airport before joining with the A135 in Eaglescliffe. From there it heads south through Yarm and Kirklevington before joining the A19 road at Crathorne.
The road has been described by a UK Government transport minister as an important commuter route and as being the gateway to Teesdale from Darlington. Despite its status as an important route, it is not maintained by Highways England but by the local authority. The section around Darlington and also onwards towards Middlesbrough was originally the A66.
The 10-mile (16 km) stretch road between the A66 at Morton Park and the A19 was named the third most improved road in 2013. Work on this section included vehicle activated signage, draining and re-surfacing.
- Wafer, dave. "Funding for Local Transport Safer Roads Fund" (PDF). durham.gov.uk. p. 2. Retrieved 8 November 2017.
- "92" (Map). Barnard Castle & Richmond. 1;50,000. Landranger. Ordnance Survey. 2016. ISBN 9780319261903.
- "304" (Map). Darlington & Richmond. 1;25,000. Explorer. Ordnance Survey. 2015. ISBN 9780319245569.
- "A67 - Roader's Digest: The SABRE Wiki". www.sabre-roads.org.uk. Retrieved 8 November 2017.
- "The A19 Trunk Road (Crathorne Interchange to Parkway Interchange)" (PDF). legislation.gov.uk. 2014. p. 1. Retrieved 8 November 2017.
- "Landslip road needs £4m funding". BBC News. 9 November 2013. Retrieved 7 November 2017.
- Seddon, Sean (21 September 2017). "Why the A19 is missing out on funding to save lives on the road". nechronicle. Retrieved 7 November 2017.
- Bax, A.; Fairfield, S. (1978). The Macmillan guide to the United Kingdom 1978-79 (2 ed.). London: Macmillan. p. 217. ISBN 978-0-333-19908-4.
- "Teesside's A67 route hailed in road safety report". Gazette Live. 4 July 2010. Retrieved 7 November 2017.