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Signals on M1

1st December 1972
Page 27
Page 27, 1st December 1972 — Signals on M1
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Which of the following most accurately describes the problem?

• A computer controlled signalling system came into service on Monday on the 21 miles of MI, between Fiveways (Junction 2) and Pepperstock (Junction 10), as well as on the 2+ miles of Mb. This brings the mileage of motorways equipped with signals to about 200.