Too much of the A5/Shrewsbury Bypass dual carriageway there, fast if you're in a hurry, but boring.
Once you're across the M6, head for Whitchurch, then either straight to Ellesmere or via Wem, nice country roads all the way. I tend to pick up the A525 after a visit to DK in Newcastle under Lyme, which is a nice run to Whitchurch, B5476 to Wem, B5063 to Ellesmere, all well signposted. From there towards Oswestry and then Welshpool, enjoy the ride.