Practices in One-Lane Traffic Control on a Two-Lane Rural Highway (2018) / Chapter Skim
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Pages 84-100
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84 The survey and interview results presented in Chapter 3 showed that 1L2W operations are being more commonly applied at roundabouts. Additionally, applications of TPRSs and DADs are increasing.
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Case Examples 85 Notes: 1. For rural roadways, suggested spacing of advance warning signs (A, B, and C)
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86 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Notes: 1. For rural roadways, suggested spacing of advance warning signs (A, B, and C)
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Case Examples 87 Notes: 1. For rural roadways, suggested spacing of advance warning signs (A, B, and C)
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88 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Note: 1. A, B, and C distances are listed in Table 3-16.
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Case Examples 89 Note : 1. Distances between signs (A, B, and C)
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Note: 1. Sign spacing (X)
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Case Examples 91 • Potential for movement of rumble strips due to inadequate installation, and • Noise complaints by nearby residents. Five types of TPRSs introduced in the ATSSA guidance were (1)
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Notes: 1. For rural roadways, spacing of advance warning signs (A, B, and C)
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Case Examples 93 signs. To maintain the required spacing and orientation, TPRSs shall be periodically inspected.
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Figure 4-8. Typical application for TPRSs in Ohio (Ohio DOT 2017)
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Notes: 1. Each rumble strip array should consist of three rumble strips spaced center to center at the spacing shown in Table 4-3, placed transverse across the lane at locations shown.
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96 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway Flagger to Flagger (Length of Work Area) (mile)
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Case Examples 97 (a)
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98 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway The New Jersey Department of Transportation deployed DADs while repairing roadways damaged by Hurricane Sandy (see Figure 4-12)
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Case Examples 99 Summary Roundabouts are becoming more common across the United States requiring a uniform approach to 1L2W operations at and through roundabouts. The use of TPRSs and DADs in 1L2W operations are also increasing.
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100 Practices in One-Lane Traffic Control on a Two-Lane Rural Highway different roundabout configurations, proper design threshold, and managing circulating vehicles requires further investigation. Caltrans, KDOT, Ohio DOT, and TxDOT have developed typical applications for TPRSs in 1L2W operations.
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