Research Article
The Implications of Converting a High-Volume Multilane Roundabout into a Turbo Roundabout
Table 11
Queue length, vehicle delay, and LOS (alternative design 3).
| | Movement | Queue length (m) | Delay (sec/veh) | Level of service (LOS) | | Traditional | Rotor | Traditional | Rotor | Traditional | Rotor |
| | NBR | 218.31 | 237.57 | 63.55 | 92.29 | F | F | | NBT | 218.31 | 237.57 | 58.51 | 93.92 | F | F | | NBL | 218.31 | 237.48 | 63.31 | 102.28 | F | F | | WBR | 191.51 | 176.72 | 56.18 | 134.96 | F | F | | WBT | 191.51 | 512.77 | 54.1 | 72.98 | F | F | | WBL | 191.51 | 513.12 | 55.85 | 59.25 | F | F | | SBR | 258.94 | 10.58 | 96.73 | 15.83 | F | C | | SBT | 258.94 | 10.58 | 97.9 | 17.38 | F | C | | SBL | 258.94 | 0.94 | 96.6 | 4.82 | F | A | | EBR | 412 | 470.64 | 65.1 | 112.39 | F | F | | EBT | 412 | 549.53 | 59.21 | 64.74 | F | F | | EBL | 412 | 549.41 | 60.57 | 51.14 | F | F | | Roundabout | 270.19 | 325.86 | 61.62 | 66.66 | F | F |
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