Specify how the automatic curve widening is applied. Settings can be customised to meet various design standards.

Option

 

Description

Widening Type

Specifies how the widening is applied, Inside only, Outside only or Both inside and outside.

% of transition curve

Specify the percentage of the widening to apply on transition curves.

Max width

Specify whether or not to specify a max widening width.

Widening Method

Specify how the inside and/or outside curve widening distance and transition length is calculated. Either using AASHTO Simple formula, AASHTO Standard formula or the Curve Widening Table in the Design Criteria.

Normal lane width (m)

Specify the normal lane width used in the AASHTO formula.

Number of left lanes

Specify the number of left lanes used in the AASHTO formula.

Number of right lanes

Specify the number of right lanes used in the AASHTO formula.

Wheelbase length (m)

Specify the wheelbase length of the vehicle used in the AASHTO formula.

 

See Also Design Criteria