contraflow

n [U, C] transferring of traffic from its usual half of the road to the other half, so that it shares the lane with traffic coming in the other direction 逆道行驶（车辆在迎面来车一边的道路上逆行）: [attrib 作定语] While repairs are being carried out on this part of the motorway, a contraflow system is in operation. 高速公路的这一部分正进行维修, 现实行逆道行驶. =>illus at App 1 见附录1之插图, page xiii.

contour, contour map, contoured, contra-, contra-indication, contraband, contraception, contraceptive, contract, contract bridge, contracted, contractible, contractile, contraction, contractor, contractual, contradict, contradiction, contradictory, contradistinction, contralto, contraption, contrapuntal, contrarily, contrariness, contrariwise, contrary, contrary to, contrast, contravene, contravention, contretemps, contribute, contribute to, contribution, contribution to (towards), contributor, contributory, contrite, contritely,