Analysis of information sources in references of the Wikipedia article "อุโมงค์ทดสอบบอริง" in Thai language version.
strip of land 15 ฟุต (4.6 เมตร) wide … beginning of a non-tangent curve concave south westerly and having a radius of 530.00 ฟุต (161.5 เมตร) … 13.56 ฟุต (4 เมตร) southerly of the 120th Street centerline … thence tangent to said curve … parallel with and distant southerly a distance of 7,721.21 ฟุต (2,350 เมตร) to a point of terminus
top speed is 40 miles per hour … 1.14 mile tunnel … one-mile test tunnel … year and a half to complete, … about $10 million, not counting research and development
the Tesla in the tunnel hit a maximum speed of 127 mph
