Dark territory is a term used in the North American railroad industry to describe a section of running track not controlled by signals. Train movements in dark territory were previously handled by timetable and train order operation, but since the widespread adoption of two way radio communications these have been replaced by track warrants and direct traffic control, with train dispatchers managing train movements directly. Today most dark territory consists of lightly used secondary branch lines and industrial tracks with speeds ranging between 25 miles per hour (40 km/h) and 40 miles per hour (64 km/h); however, there do exist a small minority of main lines that fall into the category.
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| - Dark territory (en)
- Wilayah gelap (in)
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| - Dark territory is a term used in the North American railroad industry to describe a section of running track not controlled by signals. Train movements in dark territory were previously handled by timetable and train order operation, but since the widespread adoption of two way radio communications these have been replaced by track warrants and direct traffic control, with train dispatchers managing train movements directly. Today most dark territory consists of lightly used secondary branch lines and industrial tracks with speeds ranging between 25 miles per hour (40 km/h) and 40 miles per hour (64 km/h); however, there do exist a small minority of main lines that fall into the category. (en)
- Wilayah gelap (bahasa Inggris: dark territory) adalah istilah yang digunakan dalam industri perkeretaapian Amerika Utara untuk lintasan kereta api yang tidak diberi sistem persinyalan. Pergerakan lalu lintas kereta api di wilayah ini sebelumnya hanya ditangani oleh tanpa sinyal. Namun semenjak diadopsinya komunikasi radio dua arah pada industri perkeretaapian, wilayah ini mendapat kontrol langsung oleh PPKA. Saat ini, sebagian besar wilayah gelap adalah jalur cabang sekunder dan jalur industri dengan lalu lintas kereta api yang sepi dengan kecepatan berkisar antara 25 mil per jam (40 km/h) dan 40 mil per jam (64 km/h); Meskipun demikian, masih ada sebagian kecil jalur utama yang termasuk dalam kategori ini. (in)
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| - Dark territory is a term used in the North American railroad industry to describe a section of running track not controlled by signals. Train movements in dark territory were previously handled by timetable and train order operation, but since the widespread adoption of two way radio communications these have been replaced by track warrants and direct traffic control, with train dispatchers managing train movements directly. Today most dark territory consists of lightly used secondary branch lines and industrial tracks with speeds ranging between 25 miles per hour (40 km/h) and 40 miles per hour (64 km/h); however, there do exist a small minority of main lines that fall into the category. In the UK and Australia the term applies to rail track where the signalling system does not pass the signal indications nor track occupancy back to a signal box. As such the position of trains is not visible to signallers, and so the track is "dark". (en)
- Wilayah gelap (bahasa Inggris: dark territory) adalah istilah yang digunakan dalam industri perkeretaapian Amerika Utara untuk lintasan kereta api yang tidak diberi sistem persinyalan. Pergerakan lalu lintas kereta api di wilayah ini sebelumnya hanya ditangani oleh tanpa sinyal. Namun semenjak diadopsinya komunikasi radio dua arah pada industri perkeretaapian, wilayah ini mendapat kontrol langsung oleh PPKA. Saat ini, sebagian besar wilayah gelap adalah jalur cabang sekunder dan jalur industri dengan lalu lintas kereta api yang sepi dengan kecepatan berkisar antara 25 mil per jam (40 km/h) dan 40 mil per jam (64 km/h); Meskipun demikian, masih ada sebagian kecil jalur utama yang termasuk dalam kategori ini. Di Inggris dan Australia istilah "wilayah gelap" memiliki arti lintasan kereta api di mana sistem pensinyalan tidak menyampaikan indikasi sinyal atau keberadaan kereta di lintasan kembali ke kotak sinyal. Dengan demikian, posisi kereta api tidak dapat terlihat oleh pemberi sinyal, sehingga jalurnya dapat dikatakan "gelap". (in)
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