Hi Ivan,
I dont cycle to work often enough so dont do that much.
probably 70-90 miles per month.
I tend to try & go out for 2 evenings 7-10 mile sessions every week but its so rainy that its putting me off.I Used to go out at weekends but girlfriend & Albion season ticket has put paid to that.
I cycle around Kingsbury Water park,which is made up of loads of lakes.Most of the paths & roads around it are tarmac so its nice & quiet & safe.
The Birmimingham Fazeley canal passes through it so I do cycle along there sometimes fishermen permitting
I occasionally cycle to work in Lichfield.The best part of this is cycling along the old A5 (recently bypassed by a new dual carriageway).
Really quiet & green.
Sounds like you have some serious equipment there.
Brian