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| Guideline | Vertical Profile Grade Guideline 1 |
| Title | Plaza Approach and Departure Profile Grades |
| Text | In cases of mixed flow traffic, the vertical profile grade approaching and departing the toll plaza should be greater than or equal to + 1% and less than or equal to +2%. |
| Commentary | The upper limit on vertical profile grades may be increased to +3 when the percentage of commercial vehicles is low and the toll plaza is located at the crest of the profile grade. |
| Guideline | Vertical Profile Grade Guideline 2 |
| Title | Toll Lane Profile Grades |
| Text | The vertical profile grade in a toll lane should be equal to or greater than + 0.5% and less than or equal to +2%. |
| Commentary | The cross slope and profile grade should be designed in conjunction to avoid storm drainage flows across the entrance to the toll lane. The canopy and storm drainage system design should direct collected water away from the toll lanes and help reduce precipitation within the toll lane. |
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