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Table 4 Lengths L (on curve) corresponding with the values of X
From: A new, simple and accurate transition curve type, for use in road and railway alignment design
Projection | Clothoid | Cubic Parabola | SPTC (10 terms) | SPTC (4 terms) | SPTC (3 terms) |
|---|---|---|---|---|---|
X(m) | L(m) | L(m) | L(m) | L(m) | L(m) |
100 | 100.000 | 100.000 | 100.000 | 100.000 | 100.000 |
200 | 200.008 | 200.008 | 200.008 | 200.008 | 200.008 |
300 | 300.061 | 300.061 | 300.061 | 300.061 | 300.061 |
400 | 400.257 | 400.256 | 400.257 | 400.257 | 400.257 |
500 | 500.787 | 500.781 | 500.786 | 500.786 | 500.786 |
600 | 601.973 | 601.944 | 601.971 | 601.971 | 601.970 |
700 | 704.321 | 704.202 | 704.311 | 704.310 | 704.307 |
800 | 808.599 | 808.192 | 808.564 | 808.562 | 808.542 |
900 | 915.990 | 914.762 | 915.879 | 915.867 | 915.771 |
1000 | 1028.386 | 1025.000 | 1028.057 | 1027.980 | 1027.604 |