| 摘要 |
The invention relates to a traffic distribution structure for facilitating the prevention of traffic congestion on roads joining highway junctions, which contains a circular rotary carriageway, on-ramp roadway sections for joining the rotary carriageway and off-ramp roadway sections for leaving the rotary carriageway and/or a rotary roadway section returning into itself, and on-ramp roadway sections for joining the rotary roadway section and off-ramp roadway section for leaving the rotary roadway section. The characteristic feature of the invention is that the rotary carriageway (KH) has at least three rotary roadway sections (K1', K2', K3') spirally running along each other, where the joining cross-section (BK1, BK2, BK3) of the individual rotary roadway sections (K1', K2', K3') is connected to the individual on-ramp roadway sections (bl, b2, b3), while the leaving cross-section (KK1, KK2, KK3) of the individual rotary roadway sections (K1', K2', K3') is connected to the individual off-ramp roadway sections (k1, k2, k3), and in respect of the traffic direction (2a) of the traffic distribution structure (2) the location of the leaving cross-section (KK1) of a rotary roadway section (K1') comes before the location of the joining cross-section (BK1) of the same rotary roadway section (K1'). The further characteristic feature of the other invention is that it has at least three rotary roadway sections (K1, K2, K3) running along each other, where either the inner rotary roadway section (K2) or the outer rotary roadway section (K1) is only connected to on-ramp roadway sections (b1, b2), while the other one is connected to off-ramp roadway sections (k1, k2) and, in a given case, to one or more on-ramp roadway sections (b1, b2), and the on-ramp roadway sections (b1, b2) and/or off-ramp roadway sections (k1, k2) joining the inner rotary roadway section (K2) are connected to the roadways (U1, U2, U3, U4, U5) of the junction with connecting sections (S1, S2) free from level crossings on the rotary roadway sections (K1, K2), and at least one central rotary roadway section (K3) enabling continuous free traffic is inserted between the outer rotary roadway section (K1) and the inner rotary roadway section (K2).
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