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PM2.5 CONFORMITY DETERMINATION for Baltimore Beltway I-695: MD 140 to MD 702

B. Project Description

General

The purpose of the I-695 corridor project is to provide increased capacity and improve the safety of the existing four and six lane segments from I-695 from MD 140 to MD 702 in Baltimore County. The segment of the Beltway under study runs circumferentially around the Baltimore Metropolitan area's urban core for approximately 17 miles between MD 140 (Exist 20) and MD 702 (Exit 29).

Build Alternative

The selected build alternative identified in Section 3 of the FONSI is Alternate 2. This consists of adding one lane to the Beltway in each direction. This would provide four through lanes in each direction from MD 140 to I-95, and three through lanes in each direction from I-95 to MD 702. The FONSI states that from MD 140 to I-83 (JFX-Jones Falls Expressway) widening would occur in the median; from I-83 (JFX) to MD 147 widening would occur on the outside of existing lanes; and from MD 147 to MD 702 widening would occur primarily in the median. The FONSI Selected Alternate also proposes intersection and interchange modifications at various locations throughout the project limits.

As shown on Table 1 below, construction of portions of the proposed improvements considered in the 1991 FONSI are either complete or currently under construction. The area that has not been constructed and is the focus of this PM2.5 analysis is, in general, from I-83 South (JFX-Exit 23) to West of I-95 (Exit 33). The I-95 Interchange and portion of I-695 between I-95 and Bel Air Road (US1-Exit 32) is currently under construction by MdTA. The ADT on I-695 varies slightly from one location to another within this area with the maximum traffic being the area being in the vicinity between I-83 South (JFX) to I-83 North (BHX-Baltimore Harrisburg Expressway).

map of proposed improvements

The Beltway widening has been divided into several design and construction contracts. The following portions of the Selected Alternate have not previously been constructed:

Table 1 - Status of Improvements along I-695 - MD 140 (Reisterstown Road-Exit 20) to MD 702 (Southeast Boulevard-Exit 36)
Ref. Type of Improvement Description-FONSI Selected Build Alternative Status NEPA Document
(1) Widening Reisterstown Road (MD 140-Exit 20) to I-95 (Exit 33) - N/A Express Toll Lanes Study in Pre-Project Planning Pre-Planning Document
2 Widening MD 140 (Reisterstown Road-Exit 20) to Stevenson Road (Exit 21) - SBA 2 Widening Construction Completed 2003 Final Review Reevaluation
3 Interchange Stevenson Road Interchange (Exit 21) - Build Option Pursuing status of free right from NB Stevenson to EB I-695 with District TBD
4 Widening Stevenson Road (Exit 21) to Greenspring Avenue (Exit 22) - SBA 2 Widening Construction Completed 2003 Final Review Reevaluation
5 Interchange Greenspring Avenue/MD 133 (Old Court Road) Intersection - Build Option Construction Completed 1995 Final Review Reevaluation
6 Widening Greenspring Avenue (Exit 22) to I-83 (JFX-Exit 23) - SBA 2 Widening Construction Completed 1995 Final Review Reevaluation
7 Interchange I-83/MD 25 (Falls Road) Interchange (Exit 23) - Option C MD 25 Bridge replaced, Pursuing status of EB I-695 ramp to SB JFX with District TBD
8 Widening I-83 south (JFX-Exit 23) to I-83 north (BHX-Exit 24) - SBA 2 Full widening not initiated, interim widening and bridge improvements under construction 2003 Final Review Reevaluation & TBD
9* Widening I-83 (BHX-Exit 24) to MD 139 (Charles Street-Exit 25) - SBA 2 Widening in Design (see Reference #10 for certain improvements) 2007 Reevaluation
10* Interchange I-83 (BHX-Exit 24)/MD 139 (Charles Street-Exit 25) Interchange - Option A/D Pursuing status of shoulder widening from EB I-695 to NB I-83 with District, 3 lane exit from I-695 WB to I-83, and MD 139 interchange in design (PI). 2007 Reevaluation
11 Widening MD 139 (Charles Street-Exit 25) to York Road (MD 45-Exit 26) - SBA 2 Widening in Design (on hold) 2003 Final Review Reevaluation
12 Interchange York Road (MD 45-Exit 26) Interchange - Option B Construction Completed 2003 Final Review Reevaluation
13 Widening York Road (MD 45-Exit 26) to Dulaney Valley Road (MD 146-Exit 27) - SBA2 Widening in Design (on hold) 2003 Final Review Reevaluation
14 Interchange Dulaney Valley Road (MD 146-Exit 27) Interchange - Build Option Construction Completed 1991 FONSI
15 Widening Dulaney Valley Road (MD 146-Exit 27) to Providence Road (Exit 28) - SBA 2 Widening in Design (on hold) 1995 Final Review Reevaluation
16 Interchange Providence Road Bridge (Exit 28) - N/A Construction Completed 1991 FONSI
17 Widening Providence Road (Exit 28) to Perring Parkway (MD 41-Exit 30) - SBA 2 Design on hold TBD
18 Interchange Perring Parkway (MD 41-Exit 30) Interchange - Option A/B Design on hold TBD
19** Widening Perring Parkway (MD 41-Exit 30) to Harford Road (MD 147-Exit 31) - SBA 2 (NE IL) Widening final design completed, Construction to be advertised early-mid 2006 2007 Reevaluation
20 Interchange Harford Road (MD 147-Exit 31) Interchange - Option B Design not initiated - studies to coordinate with Ref. #25 (I-95 Exit 33 interchange) TBD
21 Widening Harford Road (MD 147-Exit 31) to Putty Hill Avenue - SBA 2 Widening Outer Loop completed; Inner Loop design not initiated - studies to coordinate with Ref. #25 (I-95 Exit 33 interchange) TBD
(22) Interchange White Marsh Boulevard (MD 43-Exit 31c) Interchange - SBA 2 NEPA study underway for elimination of left exit Separate NEPA document
23 Widening Putty Hill Avenue to I-95 (Exit 33) - SBA 2 Widening design not initiated - studies to coord. with Ref. #25 (I-95 Exit 33 interchg.) TBD
24 Interchange Bel Air Road (US 1-Exit 32) Interchange - Modified Option Bridge construction completed does not accommodate future widening of I-695 1991 FONSI & TBD
(25) Interchange I-95 (Exit 33) Interchange - N/A Under construction by MdTA Separate NEPA document
26 Widening I-95 (Exit 33) to Southeast Boulevard (MD 702-Exit 36) - SBA 2 Widening Construction Completed 1991 FONSI
27 Interchange Philadelphia Road (MD 7-Exit 34) Interchange - Option 3 Construction Completed 1991 FONSI
28 Interchange Pulaski Highway (US 40-Exit 35) Interchange - Option 3 Construction Completed 1991 FONSI
29 Interchange Southeast Boulevard (MD 702-Exit 36) - Option 3 Construction Completed 1991 FONSI

* Charles Street Interchange Reevaluation Section

** Perring Parkway to Harford Road Reevaluation Section

(# ) - Separate project / separate approvals. Not illustrated on Figure 2, Status of Improvements.

Updated: 07/06/2011
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