Code of Federal Regulations Title 49. Transportation § 49.213.63 Track surface

The runoff in any 31 feet of rail at the end of a raise may not be more than

3 1/2

3

2

1 1/2

1

The deviation from uniform profile on either rail at the mid-ordinate of a 62-foot chord may not be more than

3

2 3/4

2 1/4

2

1 1/4

The deviation from zero crosslevel at any point on tangent or reverse crosslevel elevation on curves may not be more than

3

2

1 3/4

1 1/4

1

The difference in crosslevel between any two points less than 62 feet apart may not be more than^{*1 2}

3

2 1/4

2

1 3/4

1 1/2

^*Where determined by engineering decision prior to June 22, 1998, due to physical restrictions on spiral length and operating practices and experience, the variation in crosslevel on spirals per 31 feet may not be more than

2

1 3/4

1 1/4

1

3/4

The deviation from uniform profile on either rail at the mid-ordinate of a 31-foot chord may not be more than

N/A ¹

The deviation from uniform profile on either rail at the mid-ordinate of a 62-foot chord may not be more than

2 1/4

The difference in crosslevel between any two points less than 10 feet apart (short warp) shall not be more than

2