straight-line operation
21Operation Crossroads — Coordinates: 11°36′N 165°30′E / 11.6°N 165.5°E / 11.6; 165.5 …
22line — Synonyms and related words: DMZ, Indian file, L, MO, Spenserian stanza, WATS, WATS line, Zeitgeist, abut, accommodation, accompaniment, accord, accordance, aceldama, acknowledgment, acquiescence, acquire, action, activity, adaptation, adaption,… …
23Line 1, Beijing Subway — Beijing Line type = Rapid transit system = Beijing Subway status = Operational locale = Beijing, China start = Pingguoyuan end = Sihui East stations = 23 routes = ridership = open = ? clos = owner = operator = Beijing Mass Transit Railway… …
24Market–Frankford Line —      Market–Frankford Line Market–Frankford Line train departing 52nd Street stati …
25New Haven Line —      New Haven Line New Haven bound M8s pass through Port Chester, NY Overview …
26Osaka Loop Line —      Ōsaka Loop Line 103 series (left) and 201 series EMUs Overview System …
27Watford DC Line — 378210 at Watford Junction with a service from London Euston. Overview Type Commuter rail, Rapid transit …
28Main Western railway line, New South Wales — [Gauge: 1,435 mm (4 ft 8 1⁄2 in) Legend …
29Varsity Line — [v · d · …
30Tokyo Metro Marunouchi Line —      Marunouchi Line 丸ノ内線 …
