Research Article
The Implications of Converting a High-Volume Multilane Roundabout into a Turbo Roundabout
Table 9
Queue length, vehicle delay, and LOS (alternative design 2).
| | Movement | Queue length (m) | Delay (sec/veh) | Level of service (LOS) | | Traditional | Rotor | Traditional | Rotor | Traditional | Rotor |
| | NBR | 218.31 | 310.64 | 63.55 | 154.92 | F | F | | NBT | 218.31 | 310.64 | 58.51 | 159.82 | F | F | | NBL | 218.31 | 310.58 | 63.31 | 137.85 | F | F | | WBR | 191.51 | 0.04 | 56.18 | 161.08 | F | F | | WBT | 191.51 | 523.35 | 54.1 | 93.97 | F | F | | WBL | 191.51 | 523.50 | 55.85 | 89.46 | F | F | | SBR | 258.94 | 8.51 | 96.73 | 13.68 | F | B | | SBT | 258.94 | 8.51 | 97.9 | 13.86 | F | B | | SBL | 258.94 | 0.87 | 96.6 | 4.66 | F | A | | EBR | 412 | 0.05 | 65.1 | 101.47 | F | F | | EBT | 412 | 548.96 | 59.21 | 57.21 | F | F | | EBL | 412 | 548.87 | 60.57 | 50.04 | F | F | | Roundabout | 270.19 | 277.53 | 61.62 | 76.30 | F | F |
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