Changes
This is the main page documenting my suggested changes to US 1 along the Eastern Seaboard.  Changes are grouped below by state.

Go to New Hampshire, Massacusetts, Rhode Island, Connecticut/New York, New Jersey/Pennsylvania, Maryland/D.C., Virginia/North Carolina, South Carolina, Georgia, Florida

Related ALT US 1 decommissionings can be found on the Route Eliminations page.

Maine

Suggested Changes:

Rationale:  Three reasons for the truncation.  First, this segment of US 1 is not on the NHS.  Second, the US/Canada border connection at Madawaska ties into the Trans-Canada Highway system.  Third, this segment goes generally southwest-northeast, which could be confusing for drivers when "North US 1" is actually going southward.

The realignment between Millbridge and Harrington follows a more direct routing between the two towns.

The realignment south of Brunswick puts it on the higher quality direct routing between Brunswick and Portland.  The reason for remaining on its existing alignment south of Portland is to provide a toll-free alternative to the tolled Maine Turnpike (I-95).

 

New Hampshire

No suggested changes.  US 1 remains as-is as a toll-free alternative to I-95.

 

Massachusetts

Suggested Changes:

Rationale:  Though not entirely direct north of Centre St, this routing is fully on the NHS according to the Boston NHS map, and overall provides a somewhat more direct and less duplexed routing through southwestern Boston.

 

Rhode Island (and a little bit of MA)

Suggested Changes:

Rationale:  North of downtown Providence, gets US 1 onto a more direct route, since there's no other NHS routes in the corridor and routing it through East Providence (an earlier thought of mine) is a bit out of the way.

Both RI 10 and RI 4 are freeways on the NHS system.

 

Connecticut/New York (with a little RI)

Suggested Changes:

Rationale:  RI/CT 78 is NHS and a connection to I-95 is a logical extension of the Westerly Bypass.

With I-95 as the primary corridor, existing US 1 really serves only a secondary purpose between Pawcatuck and Milford.  There are enough independent utility sections of US 1 both north and south of here to duplex US 1 with I-95 in this region.

Though trucks are restricted on the Merritt Pkwy/Hutchinson River Pkwy, the corridor is on the NHS and is a major reliever for I-95, which makes a US designation justifiable, especially given that existing US 1 is of only secondary importance (as it is east of New Haven).

  Due to the Merritt Pkwy/Hutchinson River Pkwy being restricted to commercial traffic, TRUCK US 1 would be designated along I-95 between hidden CT 796 (the connector to the Merritt Pkwy at Exit 38) and the Bronx/Pelham Pkwy (NY Exit 8C), then west the short distance to where my suggested US 1 alignment joins the Bronx/Pelham Pkwy.

 

New Jersey/Pennsylvania

No suggested changes.  Existing US 1 is NHS through both states.

 

Maryland/D.C.

Suggested Changes:

Rationale:  Although the Baltimore Washington Pkwy prohibits commercial traffic, the MD 295/BWP/DC 295 corridor is a controlled-access freeway/parkway between Baltimore and Washington that is a major alternative to I-95, parallels existing US 1, and is NHS (existing US 1 is not NHS).

  Due to the Baltimore Washington Pkwy being restricted to commercial traffic between US 50 and MD 175, TRUCK US 1 would be designated along the following roadways:

 

Virginia/North Carolina

Suggested Changes:

Rationale:  Unlike between Petersburg and D.C., where US 1 is a major reliever for traffic-clogged I-95, US 1 between Petersburg and Henderson is more of secondary importance.  The VA/NC 4 reroute is in part due to earlier coordination between the two states to have state routes retain the same number when crossing the VA/NC state line.

 

South Carolina

Suggested Changes:

Rationale:  Except for a short segment west of Columbia that could easily be part of another U.S. route, none of this segment is NHS and it is of secondary importance due to the proximity of I-20.

 

Georgia

No suggested changes.  Existing US 1 is NHS through Georgia.

 

Florida

Suggested Changes:

Rationale:  Eliminates an ALT designation and provides a slightly more direct and partially-freeway alignment around downtown Jacksonville.

 

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