Roadside ditches

Sustainability of ditches and gutters :

The size of the ditch should be calculated according to hydraulics estimation, but engineer should also determine what is the best ditch for his road, sometimes it is not easy to find the best one, and to have data and information about the site is primordial in the decision.

Some examples for rural roads

Some examples for urban roads

 

Some examples of problems (when there is no roadside ditch or overflow)

Roadside ditches may provide a hazard

 

 

Assembly example 1: For most urban undivided roads

This assembly seeks to address street design within urban areas; the followings are some overall tips:

-          Safety, Safety, Safety and cycling-friendly.
-          Your design should be influenced by the type of place and driver behavior in which the street is located.
-          The most difficult is to balance the needs of all users.
-          You should take care of the attractiveness and the beauty of your design (attract stakeholder).
-          Forecasting traffic could be one of the complex things in the urban areas.
-          Effectiveness in cost and efficiency.
-          Priority to pedestrians and cyclists.
-          Easy access to public transport
-          Motor vehicles has come to dominate our urban areas, streets are managed and used promotes or discourages a sense of community, deciding where to make a car parks, garden space, commercial or residential aria …  is very primordial.
-          Using speed limitation range of 30 to 50 Km/h, and the speed ramps.
-          Accessibility, including people with disabilities.


Ref , for more information : Design Manual for Urban Roads and Streets



This Assembly includes:
The LaneOutsideSuperWithWidening Subassembly
The UrbanCurbGutterGeneral Subassembly
The UrbanSidewalk subassembly
The DaylightMaxOffset Subassembly


                                                  Download Assembly 1 for Civil 3d 2012