acute angle

— The line then falls on a gradient of 1 in 102 to the point at Windmill Lane, known locally as the "Three Bridges," where there is a composite crossing of road, canal and railway, all at the same point. The road is carried over the canal by an orthodox-style bridge, the canal being contained in a cast-iron trough, 8 ft. deep, which passes at an acute angle over the railway. (This arrangement at Southall remains the same in 2026)