(27 Jul 2023, 4:24 pm)BFK wrote That is because 672, 673, 675 & 677 are VOR.  Also 674 is currently been used on the 20S shuttle between Houghton-le-Spring & West Rainton.

Correct but that doesn't mean other deckers cannot be allocated to bigger services while there bus allocated to 39/39A/39B especially with most being in corporate