{"type":"road","id":"m1-sandbar-spit","name":"Sandbar Spit","tags":[{"s0":0,"s1":290,"side":"both","tag":"beach"}],"meta":{"status":"live","notes":"Hand-authored M1 track, compiled from Catmull-Rom control points by tools/road/bake.mjs (source: tools/road/tracks/keys-m1.ts). Edit the source and re-bake; never edit these samples by hand."},"network":"keys-m1","from":"j-keys-m1-12","to":"j-keys-m1-13","lengthM":290,"sampleSpacingM":2,"surface":"sand","laneSections":[{"s0":0,"lanes":[{"id":"S1","dCenterM":0,"widthM":5,"direction":1,"kind":"shortcut"}]}],"features":[],"barriers":[],"samples":{"encoding":"json-columns","columns":["x","y","z","kappa","grade","bankRad"],"data":{"x":[1796.6522,1798.6224,1800.5926,1802.5628,1804.5331,1806.5033,1808.4735,1810.4437,1812.414,1814.3842,1816.3544,1818.3246,1820.2949,1822.2651,1824.2353,1826.2055,1828.1758,1830.146,1832.1162,1834.0864,1836.0567,1838.0269,1839.9971,1841.9673,1843.9376,1845.9078,1847.878,1849.8482,1851.8185,1853.7887,1855.7589,1857.7291,1859.6994,1861.6696,1863.6398,1865.61,1867.5803,1869.5505,1871.5207,1873.4909,1875.4612,1877.4314,1879.4016,1881.3719,1883.3421,1885.3123,1887.2825,1889.2528,1891.223,1893.1932,1895.1634,1897.1337,1899.1039,1901.0741,1903.0443,1905.0146,1906.9848,1908.955,1910.9252,1912.8955,1914.8657,1916.8359,1918.8061,1920.7764,1922.7466,1924.7168,1926.687,1928.6573,1930.6275,1932.5977,1934.5679,1936.5382,1938.5084,1940.4786,1942.4488,1944.4191,1946.3893,1948.3595,1950.3297,1952.3,1954.2702,1956.2404,1958.2106,1960.1809,1962.1511,1964.1213,1966.0915,1968.0618,1970.032,1972.0022,1973.9724,1975.9427,1977.9129,1979.8831,1981.8533,1983.8236,1985.7938,1987.764,1989.7342,1991.7045,1993.6747,1995.6449,1997.6151,1999.5854,2001.5556,2003.5258,2005.496,2007.4663,2009.4365,2011.4067,2013.3769,2015.3472,2017.3174,2019.2876,2021.2578,2023.2281,2025.1983,2027.1685,2029.1387,2031.109,2033.0792,2035.0494,2037.0196,2038.9899,2040.9601,2042.9303,2044.9005,2046.8708,2048.841,2050.8112,2052.7814,2054.7517,2056.7219,2058.6921,2060.6624,2062.6326,2064.6028,2066.573,2068.5433,2070.5135,2072.4837,2074.4539,2076.4242,2078.3944,2080.3646,2082.3348],"y":[1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5,1.5],"z":[-4176.6933,-4177.0371,-4177.3809,-4177.7248,-4178.0686,-4178.4124,-4178.7562,-4179.1,-4179.4439,-4179.7877,-4180.1315,-4180.4753,-4180.8191,-4181.163,-4181.5068,-4181.8506,-4182.1944,-4182.5382,-4182.8821,-4183.2259,-4183.5697,-4183.9135,-4184.2573,-4184.6012,-4184.945,-4185.2888,-4185.6326,-4185.9764,-4186.3203,-4186.6641,-4187.0079,-4187.3517,-4187.6955,-4188.0394,-4188.3832,-4188.727,-4189.0708,-4189.4146,-4189.7585,-4190.1023,-4190.4461,-4190.7899,-4191.1338,-4191.4776,-4191.8214,-4192.1652,-4192.509,-4192.8529,-4193.1967,-4193.5405,-4193.8843,-4194.2281,-4194.572,-4194.9158,-4195.2596,-4195.6034,-4195.9472,-4196.2911,-4196.6349,-4196.9787,-4197.3225,-4197.6663,-4198.0102,-4198.354,-4198.6978,-4199.0416,-4199.3854,-4199.7293,-4200.0731,-4200.4169,-4200.7607,-4201.1045,-4201.4484,-4201.7922,-4202.136,-4202.4798,-4202.8236,-4203.1675,-4203.5113,-4203.8551,-4204.1989,-4204.5427,-4204.8866,-4205.2304,-4205.5742,-4205.918,-4206.2618,-4206.6057,-4206.9495,-4207.2933,-4207.6371,-4207.9809,-4208.3248,-4208.6686,-4209.0124,-4209.3562,-4209.7,-4210.0439,-4210.3877,-4210.7315,-4211.0753,-4211.4191,-4211.763,-4212.1068,-4212.4506,-4212.7944,-4213.1382,-4213.4821,-4213.8259,-4214.1697,-4214.5135,-4214.8573,-4215.2012,-4215.545,-4215.8888,-4216.2326,-4216.5764,-4216.9203,-4217.2641,-4217.6079,-4217.9517,-4218.2955,-4218.6394,-4218.9832,-4219.327,-4219.6708,-4220.0147,-4220.3585,-4220.7023,-4221.0461,-4221.3899,-4221.7338,-4222.0776,-4222.4214,-4222.7652,-4223.109,-4223.4529,-4223.7967,-4224.1405,-4224.4843,-4224.8281,-4225.172,-4225.5158,-4225.8596,-4226.2034,-4226.5472],"kappa":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"grade":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"bankRad":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]}},"realName":null,"speedLimitMps":24.6,"provenance":{"origin":"agent","author":"agent","createdAt":"2026-09-30","tool":{"name":"tools/road/bake.mjs","version":"1.1.0"},"sources":[]}}