DETROIT – AT&T Inc. said it is now covering more of several areas of Michigan with improved 4G LTE service through more than 30 new cell towers.

AT&T says it invested more than $60 million in its wireless and wired networks in Michigan between 2013 through 2015, driving a wide range of upgrades to reliability, coverage, speed and performance for residents and business customers.

The upgrades will affect the following areas:

Auburn Hills — east of I-75, near Telegraph Road
Belleville — north of Willow and Rawsonville roads
Clawson — near East 14 Mile Road and North Main Street
Clinton Township, two sites — 15 Mile Road and Groesbeck Highway, and 16 Mile Road and M-3
Dearborn Heights (two sites) — at Ford Road (M-153) between Beech Daly and John Daly roads, and near Van Born and Inkster roads
East Lansing — Hagadorn Road, near Eyde Parkway
Eastpointe — Vernier Road and M-3
Farmington Hills — along Grand River Avenue, between Drake and Gill roads
Ferndale — at Clairmont Avenue and M-10
Hamtramck — near Joseph Campau Avenue and Denton Street
Harper Woods — at Beaconsfield Street and Vernier Road
Inkster — along Michigan Avenue (US-12) between Middlebelt and Henry Ruff roads
Lansing — I-69 at Lansing Road
New Boston — Pennsylvania Road, west of I-275
Novi — Between West 10 and 11 Mile roads, along Novi Road
Pontiac — near Stanley Avenue and Telegraph Road
Ray — between Romeo Plank and Ray Center roads, along 29 Mile Road
Redford Township — near Telegraph and West Chicago roads
Richmond — at School Section Road and M-19
Romulus — near Eureka and Merriman roads
Roseville — at Hayes Road and I-696
Rothbury — east of US-31, near South Water Road
Royal Oak — at East 12 Mile Road and North Main Street
Shelby Township — near Dequindre Road and M-59
Southfield — along 12 Mile Road, west of Telegraph Road
Trenton — near West Road and Lathrop Street
Troy (two sites) — at Crooks and West Maple roads, and an area south of East Wattles Road east of Livernois Road
Van Buren Township – near Sumpter and Hull roads
Waterford Township — the area surrounding Cass, Elizabeth, Hiller and Coomer roads