Original sentence: Alligator Alley needed upgrading as the then-narrow toll road was dangerous to both motorists and wildlife (most notably the Florida panther) alike; and.Plans for the I-75 extension changed for two reasons:.State Road 836, with its left exits and narrow lanes, was not being built to Interstate Highway standards
Edited sentence: Plans for the I-75 extension changed for two reasons; Alligator Alley needed upgrading as the then-narrow toll road was dangerous to both motorists and wildlife (most notably the Florida panther) alike; and State Road 836, with its left exits and narrow lanes, was not being built to Interstate Highway standards