Estonian national road 18
| Tugimaantee 18 | ||||
| Route information | ||||
| Length | 4.7 km (2.9 mi) | |||
| Major junctions | ||||
| From | Niitvälja ( T8) | |||
| To | Kulna ( T17) | |||
| Location | ||||
| Country | Estonia | |||
| Highway system | ||||
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Tugimaantee 18 (ofcl. abbr. T18), also called the Niitvälja–Kulna highway (Estonian: Niitvälja–Kulna maantee), is a 4.7-kilometre-long national basic road in northwestern Estonia. The highway begins at Niitvälja on national road 8 and ends at Kulna on national road 17.