Related by context. Frequent words. (Click for all words.) 53 tunnels 52 tunnel 52 excavation 52 burrowing 49 tunneled 49 underground 49 excavating 47 digging 46 Tunnels 44 excavate 44 construction 43 trench 42 Tunnel 42 subterranean 42 diggers 42 Excavation 42 burrow 41 geotechnical 41 backfilling 40 excavations 40 underground tunnels 40 trenching 39 viaducts 39 shaft 39 viaduct 38 roadbed 38 resurfacing 38 rockfall 37 dewatering 37 earthworks 37 stope 37 aboveground 36 paving 36 earthmoving 36 reinforced concrete 36 rerouting 36 Purple Line 36 retaining walls 36 repaving 36 earthwork 36 tram 36 mining 36 Digging 35 cave ins 35 constructing 35 subsidence 35 digger 35 burrows 35 excavators 35 Paving 35 Channel Tunnel 35 coal seam 35 dredging 35 crawling 35 jackhammers 34 overground 34 coring 34 Work 34 Excavations 34 rail 34 mine 34 cavern 34 concreting 34 digging trenches 34 busway 34 tramway 34 compaction 34 Resurfacing 34 burrowed 34 plowing 34 drilling 34 asphalt paving 34 excavated 33 piping 33 sewer pipes 33 roadworks 33 concrete slabs 33 Construction 33 girders 33 underpasses 33 constructions 33 excavator 33 overhead wires 33 drainage pipes 33 coalmine 33 coal seams 33 precast 32 Blasting 32 dig 32 roadwork 32 Drilling 32 extracting 32 rockslide 32 installing 32 bypass 32 infiltrating 32 shunting 32 blasting 32 quarry 32 reclamation 32 jackhammer