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Sir Knox Cunningham
asked the Minister of Transport if he will state the mileage of trunk roads in England that have been reduced in status to classified roads due to the opening of motorways in the vicinity of such roads, for each year, respectively, since 1959.
Mr. Tom Fraser
The following table sets out the lengths of trunk road that have been detrunked as a result of motorway construction:
| Motorway Scheme | Mileage detrunked | New Classification | Effective date |
| Maidstone By-pass (A.20(M)) | 6·59 | Class I | 1st April, 1961 |
| Stevenage By-pass | 1·38 | Class I | 1st April, 1964 |
| (A.l(M)) | 5·20 | Class II | |
| 0·90 | Class III | ||
| Darlington By-pass (A.1(M)) | 5·16 | Class III | 1st April, 1964 |