sentences:  It runs under Lapal, the M5 motorway near junction 3 and Woodgate Valley Country Park.The canal between Halesowen and Selly Oak is also disused and some sections have been filled in as the tunnel was considered uneconomic to repair.A short un-navigable length remains in the grounds the Leasowes, once a garden belonging to the poet William Shenstone (1714–1763), and now a public park and golf course.