# FLH Standard Practice Checklist

**Project:** [Project Name and Number]{.underline}

**Prepared By**: [Lead Designer]{.underline} **Date:**
[     ]{.underline}

**Checked By**: [Peer Reviewer]{.underline} **Date:**
[     ]{.underline}

**Approved By**: [Internal:HDM \-- A/E:Design Mgr or PM]{.underline}
**Date:** [     ]{.underline}

+-----+---------------------------------------+---+---+---+------------+
| **P | **FLH Standard Practice**             | * | * | * | *          |
| DDM |                                       | * | * | * | *Remarks** |
| Sec |                                       | Y | N | N |            |
| tio |                                       | e | o | / |            |
| n** |                                       | s | * | A |            |
|     |                                       | * | * | * |            |
|     |                                       | * |   | * |            |
+=====+=======================================+===+===+===+============+
| 9.  | Does the minimum superelevation rate  |   |   |   |            |
| 3.1 | (reverse crown) equal normal crown    |   |   |   |            |
| .11 | rate?                                 |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Have the general design               |   |   |   |            |
| 3.2 | considerations found in the *Green*   |   |   |   |            |
|     | *Book* Chapter 3 §Combinations of     |   |   |   |            |
|     | Horizontal and Vertical Alignment     |   |   |   |            |
|     | been applied?                         |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Has the correct CFLHD default         |   |   |   |            |
| 3.5 | superelevation preferences file been  |   |   |   |            |
|     | used?                                 |   |   |   |            |
|     |                                       |   |   |   |            |
|     | (if the default preference file has   |   |   |   |            |
|     | been adjusted by the user, refer to   |   |   |   |            |
|     | PDDM 9.3.5 to verify that project     |   |   |   |            |
|     | meets FLH policy and standard         |   |   |   |            |
|     | practice)                             |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | Does the superelevation runoff meet   |   |   |   |            |
| .5. | the following:                        |   |   |   |            |
| 2.1 |                                       |   |   |   |            |
|     | -   On the curve: up to 50% of the    |   |   |   |            |
|     |     runoff length located on the      |   |   |   |            |
|     |     curve                             |   |   |   |            |
|     |                                       |   |   |   |            |
|     | -   On the tangent: minimum desired = |   |   |   |            |
|     |     60% of the runoff length located  |   |   |   |            |
|     |     on the tangent; maximum desired = |   |   |   |            |
|     |     80% of the runoff length located  |   |   |   |            |
|     |     on the tangent (90% acceptable in |   |   |   |            |
|     |     certain situations; refer to PDDM |   |   |   |            |
|     |     9.3.5.2.1)                        |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | Have the reverse curve transitions    |   |   |   |            |
| .5. | been designed according to PDDM       |   |   |   |            |
| 2.2 | 9.3.5.2.2?                            |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | For compound curve transitions:       |   |   |   |            |
| .5. |                                       |   |   |   |            |
| 2.3 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | Is the relative gradient in this      |   |   |   |            |
|     | range:                                |   |   |   |            |
|     |                                       |   |   |   |            |
|     | -   Maximum = the maximum relative    |   |   |   |            |
|     |     gradient value shown in the       |   |   |   |            |
|     |     *Green Book* Exhibit 3-30         |   |   |   |            |
|     |                                       |   |   |   |            |
|     | -   Minimum = 70% of the maximum      |   |   |   |            |
|     |     relative gradient value shown in  |   |   |   |            |
|     |     the *Green Book* Exhibit 3-30     |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | Has the transition length been        |   |   |   |            |
|     | designed according to PDDM 9.3.5.2.3? |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | For broken back curve transitions:    |   |   |   |            |
| .5. |                                       |   |   |   |            |
| 2.4 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum length of normal     |   |   |   |            |
|     | > crown between broken back curves 60 |   |   |   |            |
|     | > m (200 ft)?                         |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+

+-----+---------------------------------------+---+---+---+------------+
| **P | **FLH Standard Practice**             | * | * | * | *          |
| DDM |                                       | * | * | * | *Remarks** |
| Sec |                                       | Y | N | N |            |
| tio |                                       | e | o | / |            |
| n** |                                       | s | * | A |            |
|     |                                       | * | * | * |            |
|     |                                       | * |   | * |            |
+=====+=======================================+===+===+===+============+
| 9.3 | For spiral curve transitions:         |   |   |   |            |
| .5. |                                       |   |   |   |            |
| 2.7 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum length of spiral     |   |   |   |            |
|     | > curve transition the length         |   |   |   |            |
|     | > required for superelevation runoff? |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the superelevation runoff        |   |   |   |            |
|     | > applied uniformly over the full     |   |   |   |            |
|     | > length of the spiral?               |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | For mainline roadways with design     |   |   |   |            |
| .3. | speeds less than 60 km/h (40 mph):    |   |   |   |            |
| 6.1 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum vertical curve       |   |   |   |            |
|     | > length 60 m (200 ft) for grade      |   |   |   |            |
|     | > differences less than 3%?           |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum vertical curve       |   |   |   |            |
|     | > length 100 m (300 ft) for grade     |   |   |   |            |
|     | > differences greater than or equal   |   |   |   |            |
|     | > to 3%?                              |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | For mainline roadways with design     |   |   |   |            |
| .3. | speeds of 60 km/h (40 mph) or higher: |   |   |   |            |
| 6.1 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum vertical curve       |   |   |   |            |
|     | > length 90 m (300 ft) for grade      |   |   |   |            |
|     | > differences less than 3%?           |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum vertical curve       |   |   |   |            |
|     | > length 120 m (400 ft) for grade     |   |   |   |            |
|     | > differences greater than or equal   |   |   |   |            |
|     | > to 3%?                              |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Is the maximum sustained grade 9% or  |   |   |   |            |
| .3. | less for the following types of       |   |   |   |            |
| 6.2 | roadways:                             |   |   |   |            |
|     |                                       |   |   |   |            |
|     | > -potential winter snow-packed       |   |   |   |            |
|     | > conditions or                       |   |   |   |            |
|     | >                                     |   |   |   |            |
|     | > -aggregate surfaces                 |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | For roadways with level longitudinal  |   |   |   |            |
| .3. | grade (0%):                           |   |   |   |            |
| 6.3 |                                       |   |   |   |            |
|     | > -Is there enough crown to drain the |   |   |   |            |
|     | > roadway along through-fill sections |   |   |   |            |
|     | > with no curb?                       |   |   |   |            |
|     | >                                     |   |   |   |            |
|     | > -Are there enough crown and special |   |   |   |            |
|     | > ditch grades to convey drainage in  |   |   |   |            |
|     | > cuts with no curb?                  |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Is the minimum longitudinal grade   |   |   |   |            |
|     | > 0.5% in areas that do not meet the  |   |   |   |            |
|     | > above criteria?                     |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Are longitudinal grades more than 1%  |   |   |   |            |
| .3. | where superelevation transitions      |   |   |   |            |
| 6.3 | create a pavement edge profile grade  |   |   |   |            |
|     | less than 0.2% (0.5% for curbed       |   |   |   |            |
|     | sections)?                            |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Does the roadway elevation exceed the |   |   |   |            |
| .3. | headwater elevation near drainage     |   |   |   |            |
| 6.8 | structure inlets?                     |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Is the low point of subgrade at least |   |   |   |            |
| .3. | 0.5 m (1.7 ft) above ordinary         |   |   |   |            |
| 6.8 | high-water elevation in swampy        |   |   |   |            |
|     | terrain and areas subject to          |   |   |   |            |
|     | flooding?                             |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Is there adequate ditch drainage in   |   |   |   |            |
| .3. | areas with horizontal curves and      |   |   |   |            |
| 6.8 | grades less than 2%?                  |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Has the intersection sight distance   |   |   |   |            |
| .3. | been designed according to the *Green |   |   |   |            |
| 7.5 | Book* Chapter 9 §Intersection Sight   |   |   |   |            |
|     | Distance?                             |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Does the traveled way curve widening  |   |   |   |            |
| .3. | meet *Green Book*?                    |   |   |   |            |
| 9.1 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | Are the passing zones designed to     |   |   |   |            |
| .9. | meet *Green Book*?                    |   |   |   |            |
| 8.1 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.3 | Are the passing lanes designed        |   |   |   |            |
| .9. | according to the PDDM 9.3.9.8.2?      |   |   |   |            |
| 8.2 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Do curb offsets meet the following:   |   |   |   |            |
| 3.1 |                                       |   |   |   |            |
| 1.3 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Are vertical curbs offset at least  |   |   |   |            |
|     | > 0.6 m (2 ft) from the normal edge   |   |   |   |            |
|     | > of shoulder?                        |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Are sloping curbs offset at least   |   |   |   |            |
|     | > 0.3 m (1 ft) from the normal edge   |   |   |   |            |
|     | > of shoulder?                        |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | For roadways without shoulders, do    |   |   |   |            |
| 3.1 | the curb offsets meet the             |   |   |   |            |
| 1.3 | requirements in Exhibit 9.3-L of the  |   |   |   |            |
|     | PDDM?                                 |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Left-turn Lanes:                      |   |   |   |            |
| 3.1 |                                       |   |   |   |            |
| 4.6 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Does the minimum length of          |   |   |   |            |
|     | > acceleration and deceleration lanes |   |   |   |            |
|     | > meet *Green Book*?                  |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Does the taper length meet *Green   |   |   |   |            |
|     | > Book*?                              |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Right-turn Lanes:                     |   |   |   |            |
| 3.1 |                                       |   |   |   |            |
| 4.7 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Does the minimum length of          |   |   |   |            |
|     | > acceleration and deceleration lanes |   |   |   |            |
|     | > meet *Green Book*?                  |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Does the taper length meet *Green   |   |   |   |            |
|     | > Book*?                              |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
|     | > Do the corner radii accommodate the |   |   |   |            |
|     | > design vehicle (see PDDM 9.3.14.7)? |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Is the design speed 70 km/h \[45      |   |   |   |            |
| 3.1 | mph\] or less where curbing is used   |   |   |   |            |
| 4.9 | for channelization?                   |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Does the sidewalk design accommodate  |   |   |   |            |
| 3.1 | persons with disabilities?            |   |   |   |            |
| 6.1 |                                       |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | Are sidewalks provided in urban areas |   |   |   |            |
| 3.1 | where there is a need for pedestrian  |   |   |   |            |
| 6.1 | access to schools, parks, commercial  |   |   |   |            |
|     | areas, or transit stops?              |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | For 3R projects: Has the normal crown |   |   |   |            |
| 4.3 | on tangent sections been restored to  |   |   |   |            |
|     | at least 1.5% (2% preferable)?        |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | For 3R projects: Are substandard or   |   |   |   |            |
| 4.5 | deficient signs or pavement markings  |   |   |   |            |
|     | corrected?                            |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9.  | For 3R projects: Are edge line        |   |   |   |            |
| 4.5 | pavement markings used?               |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Do clearing widths extend a minimum   |   |   |   |            |
| .5. | of 1.5 m (5 ft) beyond the outer      |   |   |   |            |
| 1.1 | limit of slope rounding for cuts and  |   |   |   |            |
|     | 1.5 m (5 ft) beyond the toe of fill?  |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+
| 9   | Do government-designated material     |   |   |   |            |
| .6. | sources have a reclamation plan and   |   |   |   |            |
| 5.3 | applicable environmental              |   |   |   |            |
| .14 | documentation included?               |   |   |   |            |
+-----+---------------------------------------+---+---+---+------------+

> **CFLHD Version 1**