Some amendments were made in 1929, including the elimination of Route 18N (by merging it into Route 1), and the addition of more spurs, as well as Route 29A, but the system stayed mostly intact until the 1953 renumbering.
A partial renumbering was proposed in 1926 to get rid of the duplicates and assigning numbers to many of the unnumbered routes. The proposed 1926 renumbering would have:
It was eventually determined that an entire overhaul of the numbering system was necessary.
Chapter 319 of the 1927 public laws defined the new system of routes. Major roads received numbers from 1 to 12 and 21 to 50, as follows:
While the majority of already-acquired routes were included in the new system, four sections of pre-1927 routes were not. The law authorizing the renumbering indicated that these were to remain, and so the State Highway Commission added a suffix of N to distinguish them from the new routes of the same number:
New Route | From | Through | To | Old Designation | Modern Designation (Rough) |
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Route 1 | | Rockleigh | Fort Lee - Alpine - Cresskill - Englewood - Fort Lee - Palisades Park - Ridgefield - North Bergen - Jersey City - Bayonne | Bayonne Bridge | | CR 501 |
Route S1 | | | Ridgefield - Fairview | North Bergen | | 63 |
Route 2 | | Suffern, New York | Ridgewood - Hackensack - Hasbrouck Heights - Rutherford - Lyndhurst | North Arlington | Route 17N (proposed to be Route 17 in 1926), Suffern - North Arlington | 17 |
Route 3 | | Greenwood Lake, New York | Hewitt - Midvale - Haskell - Pompton - Haledon - Prospect Park - Hawthorne - Paterson - Clifton - Wallington - East Rutherford - Secaucus | North Bergen | L. 1926 c. 140, Wallington - North Bergen | CR 511, 208, 20, 3 |
Route 4 | | George Washington Bridge | Fort Lee - Riverside - Fair Lawn - Paterson - Clifton - Bloomfield - East Orange - Irvington - Roselle - Linden - Rahway - Woodbridge - Perth Amboy - South Amboy - Rose's Corner - Cheesequake - White Brown's Corner - Matawan - Freehold - Lakewood - Toms River - Tuckerton - Absecon - Pleasantville - Somer's Point - Beesley's Point - Seaville | Cape May | Route 4, Rahway - South Amboy L. 1925 c. 235, South Amboy - Matawan Route 7 (Spur), Freehold - Lakewood Route 4, Lakewood - Absecon Route 19 (proposed to be part of Route 4 in 1926), Absecon - Seaville Route 14, Seaville - Cape May | 109, US 9, 166, 79, Garden State Parkway, 4 |
Route S4 | | Outerbridge Crossing | | Perth Amboy | | 440 (South) |
Route S4A | | Tuckerton | | Little Beach | | N/A |
Route 5 | | Paterson | Maywood - Hackensack - Little Ferry - Ridgefield - Fort Lee | Edgewater | Route 10, Paterson - Edgewater | I-80, 5 |
Route S5 | | Little Ferry | | Ridgefield | | Bergen Turnpike |
Route 6 | | George Washington Bridge | Fort Lee - Palisades Park - Ridgefield Park - Little Ferry - Hasbrouck Heights - Paterson - Caldwell Township - Denville - Dover - Netcong - Hackettstown - Buttzville | Darlington's Bridge | Route 12, Paterson - Hackettstown Route 5, Denville - Delaware Bridge | US 46, 159 |
Route 7 | | Paterson | Clifton - Passaic - Nutley - Belleville - Kearny | Jersey City | Route 11, Paterson - Belleville L. 1926 c. 124, Belleville - Jersey City | 7 |
Route 8 | | Delaware Bridge | Columbia - Hainesburg - Blairstown | Newton | | 94 |
Route 9 | | Belleville | Bloomfield - Montclair - Verona - Caldwell | Pine Brook Bridge | L. 1926 c. 124, Belleville - Pine Brook Bridge | CR 506 |
Route 10 | | Jersey City | Kearny - Harrison - Newark - Hanover - Whippany - Littleton | Dover | L. 1926 c. 126, Jersey City - Dover | 10, I-280 |
Route 11 | | Whitehouse | Pluckemin - Martinsville | North Plainfield | | I-78 |
Route 12 | | Frenchtown | Baptisttown - Croton - Flemington - Voorhees Corner - Three Bridges - Centreville | Somerville-Raritan line | L. 1926 c. 104, Flemington - Somerville | 12, US 202 |
Route 21 | | Belleville | | Newark | Route 11, Belleville - Newark | 21 |
Route 22 | | Pine Brook Bridge | West Caldwell - Livingston - Millburn - Springfield | Rahway | | 59 |
Route 23 | | Verona | Cedar Grove - Pequannock - Bloomingdale - Oak Ridge - Franklin - Sussex - High Point | Port Jervis, New York | Route 8, Verona - Sussex L. 1925 c. 158, Sussex - Port Jervis | 23 |
Route 24 | | Newark | Irvington - Maplewood - Springfield - Morristown - Chester - Long Valley - Stephensburg - Washington | Phillipsburg | Route 5, Newark - Morristown L. 1925 c. 230 (proposed to be Route 29 in 1926), Morristown - Schooleys Mountain Route 12, Stephensburg - Phillipsburg | 82, 124, Old 24, 57 |
Route S24 | | Stephensburg | | Hackettstown | Route 12, Stephensburg - Hackettstown | 57 |
Springfield | | Elizabeth | | 82 |
Route 25 | | Holland Tunnel | Jersey City - Kearny - Newark - Elizabeth - Rahway - Woodbridge - North Brunswick - Deans - Dayton - Cranbury - Hightstown - Robbinsville - Bordentown - Burlington - Camden | Benjamin Franklin Bridge | Route 1 (Extension), Holland Tunnel - Elizabeth Route 1, North Brunswick - Robbinsville Route 2, Bordentown - Ben Franklin Bridge | US 1, US 130, US 30 |
Route 26 | | Trenton | Adams | New Brunswick | L. 1926 c. 14, Trenton - New Brunswick | 26, US 1 |
Route S26 | | Adams | | North Brunswick | | US 1 |
Route 27 | | Newark | Elizabeth - Rahway - Metuchen - New Brunswick - Princeton | Trenton | Route 1, Elizabeth - New Brunswick Route 13, New Brunswick - Trenton | 27, US 206 |
27-28 Link | | | Elizabeth | | | Westfield Ave |
Route 28 | | Goethals Bridge | Elizabeth - Cranford - Westfield - Plainfield - Bound Brook - Somerville - Clinton | Phillipsburg | Route 9, Elizabeth - Phillipsburg | 28, US 22, 173, 122 |
Route S28 | | Middlesex | Highland Park - New Brunswick - Weston Mills - Tanners Corner - Old Bridge - Browntown | Matawan | | 18 |
Route 29 | | Newark | Hillside - Union - Springfield - Mountainside - North Plainfield - Bound Brook - Ringoes - Lambertville - Washington's Crossing | Trenton | L. 1924 c. 233 (proposed to be Route 21 in 1926), Ringoes - Lambertville | US 22, US 206, US 202, 179, 29, 129 |
Route 30 | | Trenton | Pennington - Ringoes - Flemington - Clinton - Washington | Buttzville | L. 1924 c. 233 (proposed to be Route 21 in 1926), Trenton - Buttzville | 31 |
Route 31 | | Princeton | Somerville - Bedminster - Chester - Netcong - Newton - Lafayette - Hamburg - Vernon | New Milford, New York | Route 16, Princeton - Bedminster L. 1925 c. 225 (proposed to be Route 30 in 1926), Bedminster - Newton Route 8 (Spur), Lafayette - North Church | US 206, 94 |
Route S31 | | Newton | Branchville - Montague | Milford, Pennsylvania | L. 1925 c. 225 (proposed to be Route 30 in 1926), Newton - Montague | US 206 |
Route 32 | | Bedminster | Bernardsville - Morristown - Morris Plains - Littleton - Boonton | Mountain View | Route 16, Bedminster - Morristown Route 5, Morristown - Morris Plains | US 202 |
Route 33 | | Trenton | Robbinsville - Hightstown - Freehold | Asbury Park | Route 1, Trenton - Hightstown Route 7, Hightstown - Asbury Park | 33 |
Route 34 | | Matawan | Holmdel - Vanderburg - Colt's Neck - Shark River Station - Allenwood | Laurelton | | 34, 70 |
Route 35 | | South Amboy | Keyport - Eatontown - Belmar - Manasquan - Point Pleasant - Laurelton | Lakewood | Route 4, South Amboy - Eatontown Route 4, Belmar - Lakewood | 35, 88 |
Route 36 | | Keyport | Keanesburg - Belford | Atlantic Highlands | L. 1925 c. 224 (proposed to be part of Route 28 in 1926), Keyport - Atlantic Highlands | 36 |
Route 37 | | Trenton | White Horse - Allentown - Lakehurst - Toms River - Seaside Heights | Point Pleasant | Route 2, Trenton - White Horse Route 18, Lakehurst - Toms River | US 206, 37, 35 |
Route 38 | | Camden | Merchantville - Moorestown - Mount Holly | Eastampton | Route 18 (proposed to be Route 23 in 1926), Camden - Mount Holly L. 1925 c. 222 (proposed to be Route 24 in 1926), Mount Holly - Eastampton | 38, 41 |
Route 39 | | Yardley Bridge | Ewing - Bakersville - Mercerville - White Horse - Bordentown - Columbus - Vincentown - Red Lion - Indian Mills - Atsion | Da Costa | Route 2, White Horse - Bordentown L. 1923 c. 202 (proposed to be part of Route 26 in 1926), Indian Mills - Da Costa | I-295, US-206 |
Route 40 | | Camden | Marlton - Red Lion - Four Mile - Whitesbog - Whitings - Lakehurst - | Lakewood | Route 18 (proposed to be Route 23 in 1926), Whitesbog - Lakehurst | 70 |
Route S40 | | Four Mile | | Manahawkin | | 72 |
Route 41 | | Moorestown | Haddonfield | Fairview | | 41, 47 |
Route S41 | | Tacony-Palmyra Bridge | Palmyra - Moorestown - Evesboro - Marlton | Berlin | L. 1923 c. 202 (proposed to be part of Route 26 in 1926), Palmyra - Evesboro | 73 |
Route 42 | | Camden | Mt Ephraim - Chews Landing - Blackwood - Grenloch - Williamstown - Cecil - Weymouth | McKee City | L. 1925 c. 240 (proposed to be Route 27 in 1926), Camden - McKee City | 168, 42, US 322 |
Route 43 | | Camden | Berlin - Hammonton - Egg Harbor City | Absecon | Route 3, Camden - Absecon | US 30 |
Route 44 | | Westville | Paulsboro - Bridgeport | Penns Grove | Route 17S (proposed to be Route 22 in 1926), Paulsboro - Penns Grove | 44, US 130 |
Route 45 | | Camden | Woodbury - Mullica Hill - Woodstown | Salem | Route 6, Ben Franklin Bridge - Salem | Route 45 |
Route 46 | | Mullica Hill | Upper Pittsgrove | Bridgeton | Route 6, Mullica Hill - Bridgeton | 77 |
Route 47 | | Brooklawn | Glassboro - Malaga - Vineland - Millville | Tuckahoe | Route 20, Brooklawn - Millville | 47, 49 |
Route 48 | | Penns Grove | Woodstown - Elmer - Malaga - Mays Landing - Pleasantville | Atlantic City | Route 18S (proposed to be Route 19 in 1926), Penns Grove - Atlantic City | US 40 |
Route 49 | | Salem | Bridgeton - Millville - Port Elizabeth - Dennisville - South Dennis | Ocean View | Route 6, Salem - Bridgeton Route 15, Bridgeton - South Dennis | 49, 47, 83 |
Route S49 | | South Dennis | Goshen | Rio Grande | Route 15, South Dennis - Rio Grande | 47 |
Route 50 | | Egg Harbor City | Mays Landing - Oakville - Tuckahoe | Seaville | Route 14, Egg Harbor City - Seaville | 50 | |
Chapter 126 of the 1929 public law amended the 1927 act, removing redundant designations and creating entirely new roads in the New York Metropolitan Area. The amendments included
Route!From!To!Legislated!Modern Designation!NotesRoute 2N | | Lyndhurst | Nutley | 1938 c. 269 | Kingsland and Park Ave | |
Route S3 Spur | | Route S3 | Clifton | 1942 c. 77Named 1948 c. 221 | 161 | |
Route 4A | | Old Bridge | West Freehold | 1942 | 34, 79 | Replaced realigned section of Route 4 |
Route S4C | | Bennet | Cape May | | 162, Beach Ave, Broadway, Seashore Road | |
Route S4D | | Teaneck | Tappan, NY | 1938 c. 134 | | Designated as Route 303 in 1953 renumbering to connect to NY equivalent; cancelled shortly after |
Route 6A | | Dover | Frankford | 1938 c. 47 | 15 | |
Route 6M | | Montville | Fairfield | 1941 | 159 | Replaced realigned section of Route 6 |
Route 10N | | Paterson | Ridgefield | 1929 | Hackensack Plank Road | Replaced realigned section of Route 5; eliminated by 1930s |
Route 11N | | Passaic | Paterson | 1929 | Main Ave | Replaced truncated section of Route 7 |
Route 13E | | Point Pleasant | Bay Head | 1938 c. 238 | 13 | |
Route 17 | | Suffern, New York | North Arlington | 1942 | 17 | Route 2 renumbered to Route 17 to create one single route from the Great Lakes to the New York City area for WWII caravans |
Route 18 | | Old Bridge | Eatontown | 1939 c. 243 | 18 | New freeway designated. |
Route 19 | | Paterson | Belleville | 1939 c. 200 | Marshall Street, Hazel Street, Paulison Avenue, River Drive (old routing of 21) | Became part of Route 21 in 1948. |
Route 24-28 Link | | Philipsburg | 1940 | Morris St | When Route 24 was rerouted onto a freeway north of Morris St, the remnants were still state-maintained to link Routes 24 and 28 |
Route 25A | | Newark | Harrison | 1939 c. 198 | I-280 | Renumbered to Route 58 in 1953; in 1997, the designation was dropped in favour of I-280 |
Route 25AD | | Newark | Harrison | | 158 | Locally called the Center Street Bridge; designation removed 1960, bridge demolished in 1979 |
Route 25B | | Newark | 1939 c. 317 | Port Street, Doremus Ave | Renumbered to Route 65 in 1953; removed from state highway system in 1963 |
Route 25M | | North Brunswick | New Brunswick | 1940 | 171 | A former alignment of US-130 |
Route S25 | | Bristol, PA | Burlington | 1929 c. 57 | 413 | |
Route 25T | | East Ferry | Jersey City | | US 1/9 Truck | Truck route of Route 25, due to ban of trucks on Pulaski Skyway of the time |
Route 26A | | Adams | New Brunswick | 1941 | 91 | |
Route 28A | | | | | | The only evidence of this route is the fact that it was later absorbed into US-22; possibly 24-28 link |
Route 28-29 Link | | North Branch | Bridgewater | 1938 c. 17 | US-22 | US-22 Bypass of Route 28 |
Route 29A | | New Hope | Frenchtown | 1929 c. 241 | 29 | |
Route 29B | | Frenchtown | Philipsburg | 1938 c. 183 | CR 519 | |
Route S29 | | Lambertville | New Hope, PA | 1949 | 179 | |
Route 31A | | Princeton | Hightstown | 1941 c. 105 | Princeton-Hightstown Street, 64 | |
Route 33-35 Link | | Tinton Falls | Neptune Township | | 66 | |
Route S41A | | Berlin | Folsom | 1938 c. 299 | 73 | |
Route S41N | | Wrightsville | Palmyra | 1941 | 155 | |
Route S43 | | Germania | Northfield | 1938 c. 216 | CR 563 | |
Route S44 | | Bridgeport | Bridgeport Ferry | 1938 c. 374 | 324 | |
Route S44A | | Ellisburg | Brooklawn | 1938 c. 374 | CR 551 Spur | Also known locally as Kings Highway |
Route 44T | | Paulsboro | Deptford | 1938 c. 367 | | Designed to form a connection from a Paulsboro-Essington Bridge; never built |
Route 51 | | Bridgeport | Williamstown | 1939 | US-322 | |
Route 52 | | Somers Point | Mays Landing | 1937 | Somers Point Road | |
Route 54 | | Hammonton | Vineland | 1938 c. 43 | 54, Lincoln Avenue | |
Route 55 | | Pleasantville | Atlantic City | 1938 c. 83 | US 40 | Replaced truncated section of Route 48; became part of Route 48 again in 1948 |
Route 55 | | New York | Teaneck | 1948 | | unbuilt northern extension of the New Jersey Turnpike; deleted by 1964 |
Route 56 | | Absecom | Atlantic City | 1938 c. 177 | US 30, Absecon Blvd | |
Route S56 | | Atlantic City | 1941 | 87, 187 | |
Route 84 | | Sussex | Unionville, NY | 1942 | 284 | Renumbering of 8N; renumbered 284 to avoid confusion with nearby I-84 |
Route 100 | | New Brunswick | Fort Lee | 1938 c. 50 | New Jersey Turnpike | Originally planned to extend to Route 26 |
Route S100 | | Elizabeth (Route 100) | Elizabeth (Route 25) | 1938 c. 50 | 81 | |
Route 101 | | Kearny | Hackensack | 1939 c. 105 | 21, 17 | Never built |
Route S101 | | Hackensack | Montvale | 1951 c. 289 | 444 | |
Route 151 | | Camden | 1946 c. 115 | S10, S11 Aves, Memorial Ave, Flanders Blvd | Administration given back to Camden after 1969 |
Route 300 | | Delaware Memorial Bridge | New Brunswick | 1947 c. 259 | New Jersey Turnpike | |
Route 700 | | Delaware Memorial Bridge | US 46 in Ridgefield | 1952 | New Jersey Turnpike | | |