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All Middlesex County buildings will remain closed to the general public until further notice due to COVID-19– County services are available on an appointment basis.


​​The Transportation & Traffic Section does both roadway and intersection design. This group develops plans for the improvement of the 327 miles of County roads and develops plans for the improvement and signalization of County intersections. There are 192 County-owned traffic signals.
In 1970 there was only one County owned traffic signal. 
Current Intersection Design/Construction Projects
​Main GIS Facility No. ​Project ​Municipality
​EBR005 ​Old Bridge Turnpike & Main St. ​East Brunswick
​EBR033 ​Ryders La. & Ryders Crossing South Dr. ​East Brunswick/Milltown 
​​EBR003  EBR016 ​​[Old Bridge Tpk. & Milltown Rd./Hillside Ave.][Old Bridge Tpk. & Main St./Cranbury Rd.][Main St. & Hillside Ave.] ​East Brunswick/South River
​EDI029 ​Inman Ave. & Grove Ave. ​Edison
​EDI031 ​​Oak Tree Rd. & Oak Tree Shopping Center ​Edison
​EDI033 ​Oak Tree Rd. & Wood Ave. ​Edison
​EDI050 ​New Dover Ave. & Wood Ave.  ​Woodbridge/Edison
​EDI053 ​​Riverside Dr. & Parkway Place Extension ​Edison
​EDI055 ​Woodbridge Ave. & May St.​ Edison​
​JAM001 ​​Half Acre Rd. & Forsgate Dr. ​Jamesburg
​MET010 ​Durham Ave. & Central Ave. ​Metuchen
​MIL001 ​Main St./Washington, Main/Boream/Ochs ​Milltown
​MIL004 ​South Main St. & East Mill Rd.  ​Milltown
​MON003 ​Applegarth Rd./Cranbury Half Acre Rd. ​Monroe
​MON007 ​​Prospect Plains Rd./Union Valley/Half Acre. Rd/Half Acre Rd. ​Monroe
​MON023 ​Applegarth Rd. & Clearbrook Plaza ​Monroe
​NBR014 NBR026 ​French St. & Suydam & French St., Jersey Ave., Handy St. & Alexander St.​ ​New Brunswick
​NBR030 ​French St. & Paterson St. & Hospital Dwy. ​New Brunswick
​NOB011 ​​Cozzen's La. & Hartland Commons ​North Brunswick
​PIS014 ​Stelton Rd. & New Brunswick Ave. ​Piscataway
​PIS022 ​West 7th & Rock Ave. ​Piscataway
​PIS023 ​West 7th & Walnut St. ​Piscataway
​PIS044 ​New Brunswick Ave. & Carlton Ave.​ ​Piscataway/South Plainfield
​PIS052 ​​Intersection of New Durham Ave. & Corporate Blvd. ​Piscataway/South Plainfield
​PLA008 ​Scudders Mill Rd. & Bristol Meyers Squibb/Merrill Lynch Drive ​Plainsboro
​PLA010 ​Dey Rd. & Scotts Corner Rd. ​Plainsboro
​SAY008 ​Washington Ave. & Jernee Mill Rd./Mac Arthur Ave. ​Sayreville
​SAY009 ​Main St. & Crossman Ave.​ ​Sayreville
​OBR015 ​​Jernee Mill Rd. & Bordentown Ave.  ​Sayreville/Old Bridge
​SBR016 ​​Route 522 & Georges Rd. ​South Brunswick
​SPL002 ​Park Ave. & Maple Ave. ​South Plainfield
​SPL015 ​​South Clinton Ave. & New Market Rd. ​South Plainfield
​SPL016 ​​Maple Ave. & Front St. ​South Plainfield
​WBR001 ​Rahway Ave. & Omar Ave. ​Woodbridge
​WBR004 ​Main St. & Route 9 ​Woodbridge
​WBR006 ​Main St. & Mary Ave. ​Woodbridge
​WBR038 ​Middlesex Essex Turnpike & Metro Park East ​Woodbridge
​WBR039 ​Middlesex Essex & Metro Park West Exit ​Woodbridge
​WBR042 ​Rahway Ave. & Homested Ave. ​Woodbridge
​WBR053 ​Woodbridge Center Dr. & Town Square Dwy. ​Woodbridge
Current Road Design/Construction Projects
​Main GIS Facility No. ​Project ​Municipality
​EDI529 ​Plainfield Ave./Stelton Rd. Widening ​Edison/Piscataway
​WBR604 ​​Oak Tree Rd. from Grove Ave. to New Dover Rd. ​Edison/South Plainfield
​PIS622 ​​River Rd., from Hoes La. to Overbrook Rd. Safe Moves ​Piscataway/Highland Park
MON614 ​Prospect Plains Rd. from Stonaker Drive to Applegarth Road ​Monroe/Cranbury
​NBR691 ​​Livingston Ave. from Mile Run to New St. Road Diet ​New Brunswick
OBR516​ ​Route 516 Drainage from Jake Brown to White Oak La. ​Old Bridge
​OBR520 ​​Texas Rd., Route 9 to Route 527 ​Old Bridge
​PIS529 ​​Stelton Rd. Improvements from New Durham Rd. to Melrose Ave. ​Piscataway
​PIS529 ​Washington Ave. from Bridge 2-B-138 New Market Lake to Dunellen Line Piscataway​
​PIS529 ​​Stelton Rd., Lakeview to Cumberland ​Piscataway
PIS529 ​Washington Ave. from Cumberland Rd. to Lakeview Ave. Piscataway
​PIS601 ​West Seventh Ave. from Washington Ave. to Clinton Ave. ​Piscataway/South Plainfield
DUN665 New Market Rd. from the consolidated Railroad Tracks to Washington Ave. ​Piscataway, Dunellen
​MON522 ​​County Route 522, from Rt. 130 to Cranbury-South River Rd. ​South Brunswick/Monroe
​WBR602 ​Improvements to Inman Ave. Jordan Rd. to West Ave. ​Woodbridge
 Back to Office of Engineering

Office of Engineering
County Administration Building
5th Floor
75 Bayard Street
New Brunswick, NJ 08901

Phone: 732-745-3994
Fax: 732-745-8852
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