| Patents for E01C 1 - Design or layout of roads, e.g. for noise abatement, for gas absorption (2,652) |
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| 05/14/1992 | CA2054862A1 Method of controlling pedestrian and vehicular traffic flow |
| 04/30/1992 | DE4134906A1 Traffic control at change from two to one lane - is provided by traffic lights controlled by monitored speed of vehicles |
| 03/03/1992 | US5092705 Method of controlling pedestrian and vehicular traffic flow |
| 01/15/1992 | CN2093196U Grade separation bridge capable of dismantling and moving function |
| 01/08/1992 | CN1057688A Flyover bridge capable of being disassembled and moved |
| 10/03/1991 | WO1991014827A1 Method and installation for air treatment in the area of a traffic route for motor vehicles |
| 09/17/1991 | US5049000 Continuous flow intersection |
| 09/11/1991 | CN1054462A Scheme for quickly dispatching of motor-driven vehicles at level crossroads |
| 04/24/1991 | EP0424223A1 Process for the rapid construction of two superimposed roadways with a structure placed on the existing road without hindering the traffic |
| 03/28/1991 | DE3931353A1 Roofing of vehicle routes in urban areas - involves using steel arch sections which can be landscaped to improve environment |
| 03/13/1991 | EP0416161A1 Crossroad without traffic lights |
| 02/07/1991 | DE3925677A1 Ramp for bridge - consists of access and exit multilevel circular ramp at entrance to bridge |
| 01/22/1991 | US4986692 Road intersection construction for traffic control |
| 09/11/1990 | US4955751 Crossroad without traffic lights |
| 09/04/1990 | US4953249 Modular overpass or raised parking structure |
| 08/29/1990 | EP0384902A2 Cycle road |
| 08/02/1990 | DE3938945A1 Crossroads without traffic lights - has underpasses for diverging lanes and for left-handed bends inside central square |
| 06/21/1990 | DE3841092A1 Generalised combination vehicle (rail/road), magnetic or mechanial side rails and guide rails, magnetic drives, high-speed switches and generalised transport routes (rail/road) |
| 05/22/1990 | US4927288 Road traffic network |
| 10/04/1989 | CN1036061A New structure for crossroad and its use |
| 08/29/1989 | US4861184 Continuous flow cloverleaf type interchange |
| 07/18/1989 | US4848972 Process and apparatus for widening roadways |
| 12/06/1988 | US4789116 Landing deck for aircraft |
| 09/21/1988 | EP0282935A2 Apparatus and process for widening roadways |
| 10/29/1987 | DE3613669A1 Protection system for a road |
| 07/14/1987 | US4679363 Township, city and regional land arrangement |
| 07/01/1987 | EP0126731B1 Unlevelled road junctions |
| 06/04/1987 | DE3620769A1 Roof for covering roads |
| 03/19/1987 | DE3532503A1 Breathing house and/or breathing traffic surface |
| 01/31/1987 | CN86103041A Sideway double-span complex road crossing |
| 01/07/1987 | CN85105266A Highway inside buildings |
| 12/23/1986 | US4630961 Traffic intersection |
| 12/16/1986 | US4629376 Roadway for dual-mode vehicles |
| 07/02/1986 | CA1206786A Double-framed "h" form non-stop freeway interchange |
| 06/03/1986 | US4592673 Double-framed "H" form non-stop roadway interchange |
| 04/23/1986 | EP0178690A1 Service installation for cars or pedestrians, coming from different or the same directions in a service station for cloth cleaning |
| 01/16/1986 | WO1986000274A1 Landing deck for aircrafts |
| 12/20/1985 | CN85103189A Automatic cleaning of roads |
| 12/05/1984 | EP0126731A1 Unlevelled road junctions. |
| 12/05/1984 | EP0062639B1 Method to evenly distribute wear from passing vehicles to a road surface |
| 04/03/1984 | US4440521 Method to distribute wear from passing vehicles over a road surface |
| 01/19/1984 | WO1984000182A1 Unlevelled road junctions |
| 08/23/1983 | CA1152373A1 Method to distribute wear from passing vehicles to a road surface |
| 10/20/1982 | EP0062639A1 Method to evenly distribute wear from passing vehicles to a road surface. |
| 12/10/1981 | WO1981003513A1 Method to distribute wear from passing vehicles to a road surface |
| 07/21/1981 | CA1105331A1 Method to prevent vehicles from passing a temporarily speed reduced part of a road with high speed, and a device for utilizing the method |
| 06/09/1981 | US4272210 Interchange system |
| 01/01/1980 | US4181448 Combination roadway and pipeline way in permafrost regions |
| 01/23/1979 | US4135839 Device to prevent vehicles from passing a temporarily speed-reduced part of a road with high speed |
| 09/21/1976 | US3981602 Vehicle retardation |
| 05/25/1976 | US3958512 Rapid transit system |
| 03/23/1976 | US3945745 Traffic flow control systems |