Motorway direction sign gantry (Motorway Services and Truck Park)
A portal gantry over the carriageway: two tapered columns on pad foundations carrying a lattice beam with two large blank panel boards bolted to it, at 5.4 m clearance.
- 格式
- GLB
- 文件大小
- 66 KB
- 三角面
- 1,552
- 许可
- CC0 1.0