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White Squares Mark Grid Survey, Campaigners Demand Pylon Alternatives

6/6/2026

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Summary

Story summary

White square road markings in East England were identified as temporary reference points for a National Grid survey.
National Grid confirmed the markings belong to its Norwich-to-Tilbury pylon project.
The biodegradable paint will fade within weeks as the vehicle-mounted sensors collect spatial data along the route.
Campaigners have called for the scheme to be scrapped and for alternatives to pylons to be considered.

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Story summary

White square road markings in East England were identified as temporary reference points for a National Grid survey.
National Grid confirmed the markings belong to its Norwich-to-Tilbury pylon project.
The biodegradable paint will fade within weeks as the vehicle-mounted sensors collect spatial data along the route.
Campaigners have called for the scheme to be scrapped and for alternatives to pylons to be considered.