Rt 30

[mizmog]

Stuck on a few...

15ac Understood to be a non starter at town racecourse ?E?B?R?
20ac Girl shields very big son from frederick ?A???R???A
24ac Tip goes in by being flexible ?E???
5D Listen to top dog ?E?E
14D Countrys upper limit always needs some French ?A?E/ ?E???

thanks

[emeritus]

5d Peke

[Lie-in King]

15a (k)New-Bury
20a Barbarossa (Frederick, Holy Roman emperor) - 'os' (outsize) + 's(on)' (in) 'Barbara'
24a Bendy - 'end' (in) 'by'
5d Peke (dog) - "peak" (top, heard)
14d Cape Verde - 'cap' (upper limit) + 'ever' + 'de' (Fr. "some")