| Glossary Word | | Glossary Description | | |
| BCC - Buckinghamshire County Council | | The highway authority responsible for most of the roads in the County Council area and also the author of the LTP for this County area. (The remaining roads are either the responsibility of the Highways Agency, or are private.)
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| Bin Center | | A drop off facility that is smaller than a public warehouse. |
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| Boxcar | | An enclosed railcar used to transport freight. |
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| Bridleway | | A strip of land along which the public have the right to travel on horse back, on foot or by cycle. |
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| Bulk Cargo | | Unpacked dry cargo such as grain, iron ore or coal. Any commodity shipped in this way is said to be in bulk. |
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| Bus gate | | A restriction in a road through which only buses are permitted. |