The SDLP has hit out at the British Treasury and the Assembly over their "ongoing failure" to address the transport infrastructure in Northern Ireland.
The party's Spokesperson on Regional Development John Dallat said it is critical to existing businesses that need to reduce transport costs, remain competitive and expand.
Speaking after a meeting with the Chief Executive of Translink in Derry last Mr Dallat said: "It is widely accepted that a modern transport infrastructure is key to attracting new inward investment. For those who need to travel to work either in or out of Derry City the current sub-standard road network is totally unacceptable whether the A5 or A6.
"An increasing number of people are challenging the performance of those ministers in the Assembly who had direct responsibility for these issues over the last decade. They ask why money was spent on projects in Larne and other places while Dungiven still has no bypass and the bottlenecks at Moneynick and other stretches of the A6 have yet to be dealt with."
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