Progress Report on the Design and Planning of an Infrastructure Improvement Project for the Sunnyside TIF District (Phase II)

Transcription

1 Presentation to the CNRC Board of Directors Regular Meeting March 11,

2 Agenda Preferred Alternate Refinement for University Avenue, 3rd Street, and Beverly Avenue Intersection Improvements validate project design criteria explore impacts from possible roadway and pedestrian zone options Appropriate travel lane widths Addition of turn lanes Sidewalk locations and widths Deliverables: Concept plan/profile refinement Sections & Details Revised opinion of probable cost Opinion of probable construction contract duration 2

3 3rd Street and University Avenue Intersection Improvements 3

4 Existing Conditions Mapping 4

5 Design Criteria Chart University Avenue DESIGN CRITERIA CHART DESIGN PARAMETER AASHTO DESIGN CRITERIA PROPOSED DESIGN Roadway Classification: Minor Arterial - Urban Minor Arterial - Urban Design year: Terrain: Mountainous Mountainous ADT: (2012) (2012) Design speed: 30 to 60 MPH 30 MPH (Currently not posted. Assume 25 MPH posted speed) REQUIRES DESIGN EXCEPTION REMARKS From City of Morgantown Microsoft Access File AASHTO Page 7-27 Lane Width: 10' - 12' 10' Lanes 10' (Left Turn Lane) 10' (Left Turn Lane) AASHTO Page 7-29 WVDOH DD601, Page 10 of 23. Shoulder Width: N/A (curb) N/A (curb) Cross Slope: Vertical Grades: 3% (Max.) 1.5% (Min.) 2% 30 MPH 30 MPH 11% (Max.) 10% (Max.) 0.3% (Min.) 3.25% (Min.) Since urban condition and use 4% Superelevation or no superelevation. AASHTO Page AASHTO Table 7-4 on Page Minimum Radius: Stopping Sight Distance: 30 MPH 30 MPH 250' (Min.) 1800' 30 MPH 30 MPH 200' (Min.) 160' (Min.) AASHTO Table 3-7 on Page * AASHTO Table 7-1 on Page 7-3. Minimum K Value: 30 MPH 30 MPH 19 (Crest) (Crest) 37 (Sag) (Sag) Bridge Design Loading: N/A N/A * AASHTO Table 3-34 on Page and AASHTO Table 3-36 on Page Bridge Width: Match curb-to-curb width of approaches Vertical Clearance: 14' (existing structures) N/A AASHTO Page Clear Zone Width: 1.5' (between curb face and obstruction) 3' (at intersections) N/A 1.5' (between curb face and obstruction) 3' (at intersections) AASHTO Page * This is a sag curve at the intersection with 3rd Street and Beverly Avenue. This intersection will be lighted and therefore, vehicles will have adequate sight distance using the street lights instead along with their head lights. Note: AASHTO refers to A Policy on Geometric Design of Highways and Streets, 2011 Edition 5

6 Typical Sections University Avenue 6

7 Beverly Avenue 7

8 Beverly Avenue 8

9 Beverly Avenue Existing: = 22 9

10 Beverly Avenue Widening Options: = = 26 10

11 Typical Sections Beverly Avenue 11

12 Proposed Roadway Improvements 12

13 University Avenue Profile 13

14 3 rd Street & Beverly Avenue Profiles 14

15 University Beverly Cross Section Sta 3+00 Cross Section 15

16 Cross Section Sta 5+00 Cross Section 16

17 Cross Section Sta 5+80 Cross Section 17

18 Proposed Traffic Signal Layout 18

19 Existing Utility Impacts 19

20 Intersection Project Timeline 2015 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Refine & Coord Pre Engineering Final Engineering Advertise for Bids Bidding Contractor NTP Construction Substantial Completion 20