"Traffic delays at the M1/Grayston interchange also affect the east/west bound traffic coming from and going to Alexandra. As demonstrated by the study we commissioned, converting the M1 and Grayston Interchange into a diamond diverging interchange, similar to what was done at Woodmead and the M1, would go a long way in improving traffic flow in the area," Jack said.
She said the design idea was brought about by the need to improve the efficiency of the interchange.
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