1-80 West

Exit 53 (Route 46/Route 23 - Wayne, Butler, Verona). Stay in the left exit lane and follow signs for Service Road. Go under second overpass and follow sign for Westbelt Road - West. Ramp leads up and over Route 23. Continue on West Belt Road for 3/4 mile; Bayer HealthCare Pharmaceuticals entrance is on the right.

1-80 East

Exit 54 (Minisink Road/ Little Falls, Totowa). Turn left at end of exit ramp and make first left onto Vreeland Ave., following signs for 80 West. Bear left onto 80 West and stay in right lane. Take Exit 53 (Route 46/Route 23, Wayne, Bulter, Verona). Stay in the left exit lane and follow signs for Service Road. Go under second overpass and follow sign for Westbelt Road-West. Ramp leads up and over Route 23. Continue on West Belt Road for 3/4 mile; Bayer HealthCare Pharmaceuticals entrance is on the right.

Route 46 West

- Take exit for Route 23 North, Butler. From 23 North, exit onto Service Road West Belt - Local Traffic. From the Service Road, take the second exit, marked West Belt - West. Bayer HealthCare Pharmaceuticals is .5 miles on the right.

Route 46 East

Route 46 East to Passaic Ave. exit. Turn left onto Passaic Ave/Two Bridges Road. Follow to stop sign, and turn right over bridge. Turn left onto Fairfield Road; travel approximately .8 mile to right turn onto Demarest Drive. Follow to stop sign, and turn right onto Westbelt. Bayer HealthCare Pharmaceuticals entrance is ahead on the right.

Route 23 South

Route 23 South (Wayne- Packanack Lake area)- Service Rd/Route 202 - Lincoln Park, Boonton. Stay on Service Rd; make 2nd right (just before pedestrian overpass) onto Fairfield Rd. Cross over railroad tracks, and make next left onto Demarest Dr. Follow to stop sign, and turn right onto Westbelt. Bayer HealthCare Pharmaceuticals entrance is ahead on the right.

Route 23 North

Route 23 North - Alps Road exit. Follow signs for U-turn and Route 23 South. Stay to the right and follow sign for Service Rd. Make 2nd right (just before pedestrian overpass) onto Fairfield Rd. Cross over railroad tracks, and make next left onto Demarest Dr. Follow to stop sign, and turn right onto Westbelt. Bayer HealthCare Pharmaceuticals entrance is ahead on the right.

Newark Airport

I-78 West approximately 4 miles to Garden State Parkway North to Exit 153B (Route 3 West). Route 3 to Route 46 West to Route 23 North. Take Alps Road exit. Follow signs for U-turn and Route 23 South. Stay to the right and follow sign for Service Rd. Make 2nd right (just before pedestrian overpass) onto Fairfield Rd. Cross over railroad tracks, and make next left onto Demarest Dr. Follow to stop sign, and turn right onto Westbelt. Bayer HealthCare Pharmaceuticals entrance is ahead on the right.

From Bayer HealthCare Pharmaceuticals Montville

Turn left out of parking lot onto Changebridge Road. Turn left at first traffic light onto Bloomfield Ave. Turn rightonto Hook Mountain Road. At next light, make a left onto Rte 46 East. Go approximately 8 miles, passing the Willowbrook Mall. At that point, look for signs directing you to Rte 23 North. Follow signs and when entering 23 NORTH overhead is a large green sign "SERVICE ROAD-LOCAL TRAFFIC-WEST BELT-NEXT RIGHT". Bear right onto the Service Road and make 2nd right-WESTBELT ROAD-WEST. Go up the ramp. It will take you up and over Rte 23 North. Stay straight for approx. 3/4 mi. Westbelt will deadend. The entrance is on the right.