|Location Map (
|From: || Oakhill (SP815362) |
|To: || Northfield Roundabout (SP891408) |
|Distance: || 5.7 miles (9.2 km)|
|Meets: || V2, V3, V4, A5, V6, V7, V8 / B4034, V9, V10, V11, H6 / A4146, A5130 |
|Route outline (key)|
||Oakhill - Northfield Roundabout
The H5 Portway is a Milton Keynes grid road. West of the A5, it is the C145, while east of the A5 it forms part of the A509.
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