DelDOT Subdivision Manual Changes

On Tuesday, March 16th, ACEC-Kent County met with Marc Cote of DelDOT to discuss some of the recent changes to the Subdivision Manual. Melissa Koenig, P.E., Associate of Landmark/JCM attended the meeting. The following were some of the changes that were discussed:

• Soon, there will be a GIS application available online.

• When calculating site distance, please use the JMT spreadsheet. When showing the site triangles on a plan, the decision point is 18’ from the edge of travel lane (can range from 14.5’ to 18’, but for the most part use the 18’). The spreadsheet can be found under the subdivision section at http://deldot.gov/information/business/

• The Subdivision Plan Review Schedules online are for Record Plans and Construction Plans. The engineer can attend the Plan Review Meeting if it will be helpful. The schedule for offsite improvements has not been determined yet. The plan review schedule is available online at http://deldot.gov/public.ejs?command=PublicPlanReviewSchedule

• Please note on the Site Plan Gate-Keeping Checklist one of the required items is a photo showing the proposed entrance staked. You will also need to provide calculations showing the minimum connectivity ratio of 1.4 is met. Marc said this will be covered in future training sessions by DelDOT. The Gate-Keeping checklist is available online at http://deldot.gov/information/business/subdivisions/Subdivision_Gatekeeping_Checklist.pdf

• The DelDOT ES2M Checklist should be completed for onsite and offsite submittals. (http://www.deldot.gov/information/pubs_forms/manuals/es2m/index.shtml)

• If the total open area of culvert pipes is > 20 S.F., then it is considered a bridge (see Appendix Q). If there are multiple pipes, all the areas must be added together.

• The Pre-Submittal Meeting (required for ADT>200) can be before or after the PLUS process. (http://deldot.gov/information/business/subdivisions/Subdivisions_Pre-submittal_Meeting_Requirements.pdf)

• Please submit the meeting request form when asking to meet with the subdivision section so that they can be prepared for the meeting. The request form can be found under the subdivision section at http://deldot.gov/information/business/

Carr Road/Marsh Road Intersection Improvements

DelDOT held a workshop on Thursday March 11th at Carcroft Elementary School for the I-95 & Carr Road/Marsh Road Interchange Improvements. Mark Parker, P.E., Principal of Landmark/JCM attended the workshop to review the project alternatives and talk with DelDOT Officials and consultants.

The project will entail the following upgrades:

1. The I-95 Northbound off-ramp to Marsh Road will be widened to provide two (2)-left turn lanes with signalization at Carr Road;

2. Carr Road, depending upon the selected alternative, may or may not see improvements. Improvements would include widening to allow for two (2) left turn lanes at Marsh Road and potentially even widening to allow for an I-95 Northbound on-ramp;

3. The Marsh Road underpass would see improvements to allow for upgrades to the travel and turn lanes and provide for a five (5)-foot sidewalk and a 10-foot sidepath;

4. The I-95 Southbound on-ramp from Westbound Marsh Road, depending on the alternative, would be widened to allow for immediate or future two (2)-lanes; and, finally,

5. The I-95 Southbound off-ramp to Marsh Road Eastbound would be widened to provide for two (2)-left turn lanes.

The goals of the improvements are to upgrade the levels of service and to reduce the accidents around this interchange. The design process, scheduled to last approximately two (2)-years has begun. Construction funds are scheduled in the CTP for 2012 and 2013.

Landmark/JCM will continue to monitor the improvements and how they will affect future development. Please contact us with any questions or to meet with us for your next successful project.

All of these updates are reviewed here:
http://deldot.gov/information/projects/carr_rd/index.shtml

The workshop presentation, which provides graphics, is presented here:
http://deldot.gov/information/projects/carr_rd/pdf/marsh_rd_pub_wksp.pdf