Rural intersection: curb return setup corridor

Total video time: 12:16

Last updated: 2026-01-06

Exercise files: rurl-int-creat-sdrd-setup-crdr-end-data-c3d16.zip

Start with: 12345678\Design\Corridors\Crdr-25-4thAve.dwg

rurl-int-cr-setup-crdr-01.mp4 4:24

Info: Develop the curb return profiles by creating another setup corridor. This setup corridor will give us a range of where we can set our curb return profiles. The range is developed by setting a minimum and maximum slope away from 25 ETW and 4thAve centerline

  1. Home tab > Create Design > Corridor > 4thAve-Setup-CG-Prof
  2. Alignment > Int-25-4thAve-NE-CG
  3. Set the frequencies to 2.5' and set the profile settings to No

  1. Set Targets
  • Target Object Name Subassembly
    Target Alignment

    25-Right-ETW

    Lcl-4thAve

    		 Target ETW Ali_Prof and Sideroad Ali_Prof
    Target Alignment Int-25-4thAve-NE-CG Max Slope-TARGET-Curb Return Ali
    Target Alignment

    25-Right-ETW-Crdr-25-Setup-ETW

    Lcl-4thAve-Prop

    		 Target ETW Ali_Prof and Sideroad Ali_Prof

    1. OK > OK
    2. Because the targets are similar between the NE and SE corners we can quickly create the SE corner using data from the NE
    3. Select corridor > Add Baseline > Select the SE Alignment > OK > Add region > Select the beginning and end of the CG > Setup-Curb-Prof > OK > OK

    1. With the corridor still selected > Match Parameters > Select the NE then the SE > Enter
    2. Edit targets > Change the Max slope to SE from NE

     

    rurl-int-cr-setup-crdr-02.mp4 3:07

    1. With corridor selected > Add base > Select the SW CG > Click the beginning and end of CG >
    2. Alignment > Int-25-4thAve-SW-CG

    1. Set the frequencies to 2.5' and set the profile settings to No
    2. Set targets
  • Target Object Name Subassembly
    Target Alignment

    25-Left-ETW

    Lcl-4thAve

    		 Target ETW Ali_Prof and Sideroad Ali_Prof
    Target Alignment Int-25-4thAve-SW-CG Max Slope-TARGET-Curb Return Ali
    Target Alignment

    25-Left-ETW-Crdr-25-Setup-ETW

    Lcl-4thAve-Prop

    		 Target ETW Ali_Prof and Sideroad Ali_Prof
    1. Because the targets are similar between the SW and NW corners we can quickly create the NW corner using data from the SW
    2. Select corridor > Add Baseline > Select Profile > Add region > Select the beginning and end of the CG > Setup-Curb-Prof > OK > OK

    1. With the corridor still selected > Match Parameters > Select the SW then NW
    2. Edit targets > Change the Max slope to NW from SW
    3. Highlight the corridor > Match Parameters > Settings > Only Match Frequencies

    1. Select the SE region then the SW & NW > Enter

    rurl-int-cr-setup-crdr-03.mp4 4:49

    1. Select the corridor > Section Editor
    2. Viewport Configuration

    Info: From the curb return baseline the corridor finds the 25-ETW or Lcl4thAve centerline and then projects three slopes- the min, max and norm. Those slopes can be set to whatever is needed but for this project they are -1%, -4% & -2%. That gives a range in which to set the final profile. Next we will create three surfaces- one for each slope.

    1. Select corridor > Corridor Surfaces

    1. Rebuild Corridor
    2. Profile > Create Profile from Surface > Select SE Alignment > Select the three surfaces > Add > Change style to RDWY Lane Edge

    1. Draw in Profile View > Profile Display Options > No Labels > Create Profile View

    1. Repeat with the three other corners