Powerline river crossings in the United Kingdom
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The tallest electricity pylons in the UK are those of the 400 kV Thames Crossing, at West Thurrock, which are 190 m (630 ft) high. These were constructed by BICC in 1965. The cables stretch 1300 m (4,500 ft) across the River Thames and have a minimum clearance of 76 m (250 ft).
The longest powerline river crossing in the UK is the Aust Severn Powerline Crossing over the River Severn at Aust, stretching 1700 m (5,310 ft) between towers 148 m (488 ft) high. This pylon crossing is paralleled by the Severn-Wye Cable Tunnel beneath it, at almost the same location.
- "Notes and news". Greater London Industrial Archaeology Society. February 2003.