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Table 1 Annual demands of ABC Company Products in Colombo and Gampaha region

From: Industrial vehicle routing problem: a case study

Demand Points Demand value Latitude Longitude Latitude*D/V(X) Longitude*D/V(Y)
Dehiwala 109,839,943.34 6.83667 79.8439262 750,939,445.47 8,770,052,330.22
Panadura 50,534,312.42 6.7291202 79.8944164 340,051,462.48 4,037,409,398.77
Nugegoda 30,837,303.75 6.8656182 79.8706401 211,717,153.84 2,462,995,189.16
Boralasgamuwa 32,881,664.51 6.8365293 79.8897056 224,796,462.86 2,626,906,497.43
Battaramulla 107,556,545.54 6.9001015 79.9029844 742,151,081.22 8,594,088,980.47
Maharagama 79,324,049.21 6.8502516 79.9073489 543,389,695.00 6,338,574,476.17
Kottawa 51,370,635.27 6.8690953 79.9797876 352,869,789.30 4,108,612,497.87
Homagama 30,820,660.27 6.8451342 79.9887083 210,971,555.67 2,465,304,803.77
Malabe 34,619,046.57 6.9043629 79.9479226 239,022,460.75 2,767,720,855.37
Angoda 43,510,655.99 6.9333996 79.9161694 301,676,764.84 3,477,204,954.80
Piliyandala 54,879,871.97 6.7896893 79.9012898 372,617,279.51 4,384,972,554.57
Kaduwela 6,624,608.59 6.9299975 79.9733482 45,908,520.97 529,792,129.51
Maradana 261,063,935.94 6.926745 79.8605224 1,808,323,312.95 20,848,702,303.98
Wattala 168,494,022.45 6.989402 79.885278 1,177,672,457.50 13,460,191,824.71
Wellawatta 31,208,418.96 6.8738385 79.8611775 214,521,631.74 2,492,341,085.72
Gampaha 53,352,830.66 7.083605 80.006455 377,930,378.05 4,268,570,845.58
Kelaniya 22,525,756.47 6.9559081 79.9169459 156,687,091.86 1,800,189,660.82
Kadawatha 61,080,181.62 7.0097642 79.942525 428,157,670.46 4,882,903,946.33
Ja-Ela 17,784,276.89 7.0742115 79.8937204 125,809,736.08 1,420,852,045.18
Negambo 142,750,892.67 7.1963407 79.829926 1,027,284,058.88 11,395,793,198.20
Yakkala 28,513,346.82 7.0877703 80.0232392 202,096,052.76 2,281,730,373.13
Meerigama 47,583,630.89 7.253295 80.1096746 345,138,112.01 3,811,909,186.86
Weliweriya 7,770,027.05 7.0346322 80.019072 54,659,282.47 621,750,353.84
Ragama 6,554,858.77 7.0306524 79.9232021 46,084,933.58 523,885,302.59
Kochchikade 13,327,673.99 7.2628576 79.8634837 96,796,998.30 1,064,394,474.15
Paliyagoda CWH 1,569,243,475.83 6.954871182 79.91259064 10,913,886,227.89 125,402,311,494.85